產(chǎn)品詳情
立訊出售模塊Accura 2750P-100A 100A中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-B1AA DY-HSC-B1NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-B2AA DY-HSC-B2NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-B3AA DY-HSC-B3NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-B4AA DY-HSC-B4NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-B5AA DY-HSC-B5NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-B6AA DY-HSC-B6NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-BAAA DY-HSC-BANA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-BBAA DY-HSC-BBNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-BCAA DY-HSC-BCNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-BDAA DY-HSC-BDNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-BOAA DY-HSC-BONA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-C1AA DY-HSC-C1NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-C2AA DY-HSC-C2NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-C3AA DY-HSC-C3NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-AA DY-HSC-NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-C5AA DY-HSC-C5NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-C6AA DY-HSC-C6NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-CAAA DY-HSC-CANA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-CBAA DY-HSC-CBNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-CCAA DY-HSC-CCNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-CDAA DY-HSC-CDNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-COAA DY-HSC-CONA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-D1AA DY-HSC-D1NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-D2AA DY-HSC-D2NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-D3AA DY-HSC-D3NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-D4AA DY-HSC-D4NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-D5AA DY-HSC-D5NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-D6AA DY-HSC-D6NA
1736年出版的《解析幾何》中引入了曲率中心,給出密切線圓(或稱曲線圓)概念,提出曲率公式及計(jì)算曲線的曲率。并將自己的許多研究成果總結(jié)成專論《三次曲線枚舉》,于1704年發(fā)表。此外,他的數(shù)學(xué)工作還涉及數(shù)值分析、概率
立訊出售模塊Accura 2750P-100A 100A
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-DAAA DY-HSC-DANA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-DBAA DY-HSC-DBNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-DCAA DY-HSC-DCNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-DDAA DY-HSC-DDNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-DOAA DY-HSC-DONA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-O1AA DY-HSC-O1NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-O2AA DY-HSC-O2NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-O3AA DY-HSC-O3NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-O4AA DY-HSC-O4NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-O5AA DY-HSC-O5NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-O6AA DY-HSC-O6NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-OAAA DY-HSC-OANA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-OBAA DY-HSC-OBNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-OCAA DY-HSC-OCNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-ODAA DY-HSC-ODNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HSC-OOAA DY-HSC-OONA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-A1AA DY-HFC-A1NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-A2AA DY-HFC-A2NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-A3AA DY-HFC-A3NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-A4AA DY-HFC-A4NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-A5AA DY-HFC-A5NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-A6AA DY-HFC-A6NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-AAAA DY-HFC-AANA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-ABAA DY-HFC-ABNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-ACAA DY-HFC-ACNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-ADAA DY-HFC-ADNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-ADAA DY-HFC-ADNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-B1AA DY-HFC-B1NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-B2AA DY-HFC-B2NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-B3AA DY-HFC-B3NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-B4AA DY-HFC-B4NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-B5AA DY-HFC-B5NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-B6AA DY-HFC-B6NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-BAAA DY-HFC-BANA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-BBAA DY-HFC-BBNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-BCAA DY-HFC-BCNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-BDAA DY-HFC-BDNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-BDAA DY-HFC-BDNA
種自然之力,而后用這些論證其他的現(xiàn)象?!笨茖W(xué)史家I.B.Cohen正確地指出,“主要是將實(shí)際與其簡(jiǎn)化數(shù)學(xué)表示反復(fù)加以比較”。是從事實(shí)驗(yàn)和歸納實(shí)際材料的巨匠,也是將其理論應(yīng)用于、流體、引力等實(shí)際問題的能手
立訊出售模塊Accura 2750P-100A 100A
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-C1AA DY-HFC-C1NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-C2AA DY-HFC-C2NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-C3AA DY-HFC-C3NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-AA DY-HFC-NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-C5AA DY-HFC-C5NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-C6AA DY-HFC-C6NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-CAAA DY-HFC-CANA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-CBAA DY-HFC-CBNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-CCAA DY-HFC-CCNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-CDAA DY-HFC-CDNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-CDAA DY-HFC-CDNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-D1AA DY-HFC-D1NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-D2AA DY-HFC-D2NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-D3AA DY-HFC-D3NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-D4AA DY-HFC-D4NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-D5AA DY-HFC-D5NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-D6AA DY-HFC-D6NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-DAAA DY-HFC-DANA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-DBAA DY-HFC-DBNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-DCAA DY-HFC-DCNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-DDAA DY-HFC-DDNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-DDAA DY-HFC-DDNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-O1AA DY-HFC-O1NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-O2AA DY-HFC-O2NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-O3AA DY-HFC-O3NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-O4AA DY-HFC-O4NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-O5AA DY-HFC-O5NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-O6AA DY-HFC-O6NA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-OAAA DY-HFC-OANA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-OBAA DY-HFC-OBNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-OCAA DY-HFC-OCNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-ODAA DY-HFC-ODNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-HFC-ODAA DY-HFC-ODNA
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-AAAY DY-FFC-AANY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-BAAY DY-FFC-BANY
提出金本位制度。艾薩克?,百科全書式“全才”他在1687年發(fā)表的論文《自然定律》里,對(duì)萬有引力和三大運(yùn)動(dòng)定律進(jìn)行了描述。提出運(yùn)動(dòng)定律,發(fā)明了反射望遠(yuǎn)鏡和發(fā)展出微積分學(xué)。立訊出售模塊Accura 2750P-100A 100A
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-CAAY DY-FFC-CANY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-DAAY DY-FFC-DANY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-OAAY DY-FFC-OANY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-ABAY DY-FFC-ABNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-BBAY DY-FFC-BBNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-CBAY DY-FFC-CBNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-DBAY DY-FFC-DBNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-OBAY DY-FFC-OBNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-ACAY DY-FFC-ACNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-BCAY DY-FFC-BCNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-CCAY DY-FFC-CCNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-OCAY DY-FFC-OCNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-ADAY DY-FFC-ADNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-BDAY DY-FFC-BDNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-CDAY DY-FFC-CDNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-DDAY DY-FFC-DDNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-ODAY DY-FFC-ODNY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-AOAY DY-FFC-AONY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-BOAY DY-FFC-BONY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-COAY DY-FFC-CONY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-DOAY DY-FFC-DONY,
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-FFC-OOAY DY-FFC-OONY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A1AY DY-LCC-B1AY DY-LCC-C1AY DY-LCC-D1AY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A2AY DY-LCC-B2AY DY-LCC-C2AY DY-LCC-D2AY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A3AY DY-LCC-B3AY DY-LCC-C3AY DY-LCC-D3AY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A4AY DY-LCC-B4AY DY-LCC-AY DY-LCC-D4AY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A5AY DY-LCC-B5AY DY-LCC-C5AY DY-LCC-D5AY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A6AY DY-LCC-B6AY DY-LCC-C6AY DY-LCC-D6AY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-AAAY DY-LCC-BAAY DY-LCC-CAAY DY-LCC-DAAY
是一個(gè)指引著一代一代科學(xué)工作者前進(jìn)的開放的綱領(lǐng)。但的哲學(xué)思想和論不可避免地有著明顯的時(shí)代局限性和不性,這是科學(xué)處于幼年時(shí)代的成就。當(dāng)時(shí)只對(duì)簡(jiǎn)單的機(jī)械運(yùn)了初步研究。立訊出售模塊Accura 2750P-100A 100A
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-ABAY DY-LCC-BBAY DY-LCC-CBAY DY-LCC-DBAY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-ACAY DY-LCC-BCAY DY-LCC-CCAY DY-LCC-DCAY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-ADAY DY-LCC-BDAY DY-LCC-CDAY DY-LCC-DDAY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-AOAY DY-LCC-BOAY DY-LCC-COAY DY-LCC-DOAY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A1BY DY-LCC-B1BY DY-LCC-C1BY DY-LCC-D1BY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A2BY DY-LCC-B2BY DY-LCC-C2BY DY-LCC-D2BY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A3BY DY-LCC-B3BY DY-LCC-C3BY DY-LCC-D3BY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A4BY DY-LCC-B4BY DY-LCC-BY DY-LCC-D4BY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A5BY DY-LCC-B5BY DY-LCC-C5BY DY-LCC-D5BY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A6BY DY-LCC-B6BY DY-LCC-C6BY DY-LCC-D6BY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-AABY DY-LCC-BABY DY-LCC-CABY DY-LCC-DABY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-ABBY DY-LCC-BBBY DY-LCC-CBBY DY-LCC-DBBY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-ACBY DY-LCC-BCBY DY-LCC-CCBY DY-LCC-DCBY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-ADBY DY-LCC-BDBY DY-LCC-CDBY DY-LCC-DDBY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-AOBY DY-LCC-BOBY DY-LCC-COBY DY-LCC-DOBY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A1CY DY-LCC-B1CY DY-LCC-C1CY DY-LCC-D1CY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A2CY DY-LCC-B2CY DY-LCC-C2CY DY-LCC-D2CY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A3CY DY-LCC-B3CY DY-LCC-C3CY DY-LCC-D3CY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A4CY DY-LCC-B4CY DY-LCC-CY DY-LCC-D4CY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A5CY DY-LCC-B5CY DY-LCC-C5CY DY-LCC-D5CY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A6CY DY-LCC-B6CY DY-LCC-C6CY DY-LCC-D6CY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-AACY DY-LCC-BACY DY-LCC-CACY DY-LCC-DACY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-ABCY DY-LCC-BBCY DY-LCC-CBCY DY-LCC-DBCY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-ACCY DY-LCC-BCCY DY-LCC-CCCY DY-LCC-DCCY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-ADCY DY-LCC-BDCY DY-LCC-CDCY DY-LCC-DDCY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-AOCY DY-LCC-BOCY DY-LCC-COCY DY-LCC-DOCY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A1DY DY-LCC-B1DY DY-LCC-C1DY DY-LCC-D1DY
中山立訊電氣批發(fā)DAEYEON轉(zhuǎn)換器;DY-LCC-A2DY DY-LCC-B2DY DY-LCC-C2DY DY-LCC-D2DY