All of these are congruent triangles.所有这些都是全等三角形.A uniformly congruent security model is presented based on observational congruence.基于观察同余等价,构造了一类一致同余安全模型.This research mainly concerns the nature of mood congruent effec...
阐述了冲孔 、 落料 、 压弯复合模的结构设计及工作原理.Expounded punching, blanking, bending modulus of the composite structure design and principle.设计了一种新型无毛刺冲孔模具.A new style punch die without burrs is designed.壳牌冲孔油bs含有防腐蚀添加剂 和 油性添加剂.D Punching...
The midpoint and equivalence point for carbonic acid are much higher.碳酸滴定中点和等量点也高得多.If a vibrating string is lightly touched at its midpoint , its pitch goes up an octave.如果在一根振动弦的中部轻轻一触, 它就发出高八度的音.The centre mark is ind...