机读格式显示(MARC)
- 100 __ |a 19950728d1983 em y0chiy50 ea
- 101 1_ |a chi |b eng |c swe
- 200 1_ |a 直流输电 |A zhi liu shu dian
- 210 __ |a 不详 |c 不详 |d 1983
- 300 __ |a 书名原文:Power transmission by direct current
- 510 1_ |a Power transmission by direct current |z eng
- 801 _0 |a CN |b NLC |c 20130420
- 905 __ |a DTDXMTGCXY |d TM721.1/Y1