建立了砂轮的球基渐开螺旋面方程和分度球面螺旋线方程,给出螺旋运动参数、螺旋线导程.The mechanism of grinding internal gear of spherical worm emery - wheel is researched.正圆锥螺旋面是正圆柱螺旋面被同轴正圆锥面截得.The ortho cone helicoid was used interrsect intercept by the ortho con...
The patient complained of inappetence.病人诉说他食欲不振.The patient complained of inappetence and nausea.病人诉说他食欲不振和呕吐.Hps also causes individual cases of arthritis acute pain, fever and inappetence.个别情况下猪副嗜血杆菌也会引起关节炎,导致瘸腿并伴有剧痛 、...
Plants sparsely scabrous; ultimate leaf segments irregularly serrate or dentate.装置疏生粗糙; 不规则的末级的叶裂片有锯齿或具牙齿.Focal ischemia also could raise the neurogenesis in hippocampus dentate gyrus.局灶性脑缺血后亦可增加海马齿状回内神经发生.Contact with t...