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单词 母线
例句 DEFINITIVE EXAMPLES 权威例句〔bus bar〕A conducting bar that carries heavy currents to supply several electric circuits.汇流线,母线:为支持多条电子线路而运载强大电流的导线美国传统〔bus〕Electricity A bus bar.【电学】 汇流条,母线美国传统〔cone〕The surface generated by a straight line, the generator, passing through a fixed point, the vertex, and moving along a fixed curve, the directrix.锥面:由一条直线,即母线,通过一固定点,即顶点,沿一给定曲线,即准线,连续移动而产生的平面美国传统〔directrix〕Mathematics The fixed curve traversed by a generatrix in generating a conic section or a cylinder.【数学】 准线:穿过产生圆锥部分或圆柱的母线而形成的固定曲线美国传统〔ellipse〕A conic section whose plane is not parallel to the axis, base, or generatrix of the intersected cone.圆锥的一部分,其切面既不平行于轴和基面,也不平行于圆锥母线美国传统
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