pencil
习惯用语blue pencil (=blue-pencil)1.■用蓝笔校订[修改]特殊用法axial pencil1.■【数】平面束beam pencil1.■电子束, 电子注brush pencil1.■画笔carbon pencil1.■碳铅笔(用合成材料制成)cathode-ray pencil1.■电子束, 阴极射线束Chinese pencil1.■一种蚀刻画工具(有坚固、锐利的鬃毛, 在腐蚀过程中用以搅动酸液)colored pencil1.■颜色(铅)笔concrete pencil1.■预应力芯棒Conte pencil1.■龚戴铅笔(制成铅笔形状的色粉笔)convergent pencil of rays1.■会聚光线束drawing pencil1.■制图[绘画]铅笔electrographic pencil1.■【电子】电图铅笔, 电记录笔ever sharp pencil1.■活心铅笔eyebrow pencil1.■画眉笔hair pencil1.■画笔; 各种绘画毛笔的总称harmonic pencil1.■谐波射线束harmonic pencil of planes1.■调和面束homocentric pencil of rays1.■同心光束hyperbolic pencil of circles1.■双曲性的圆束indicator pencil1.■指示器的记录笔lead pencil1.■(绘画、速写用)石墨铅笔light pencil1.■光束metal pencil1.■焊条oppositely equal pencils1.■反向等线束plane pencil1.■平面束soil pencil1.■土壤钻pencil of curves of the second order1.■二次曲线束pencil of forms1.■形束pencil of hyperplanes1.■超平面束pencil of lines1.■线束pencil of parallel lines1.■平行线束pencil of quadratic curves1.■二次曲线束pencil of quadric hypersurfaces1.■二次超曲面束