Fitting of relaxation modulus master curve for solid propellant and W. L. F. equation parameters.
推进剂松弛模量主曲线及W.L.F。方程参数的拟合处理。
Point out that the secure elliptic curve is the master key of constructing the elliptic curve cryptosystem.
安全的椭圆曲线构造和基点的选取，是椭圆曲线密码体制实现的的关键。
To improve performs of engine, the piston skirt curve is designed to be middle convex and varied elliptic pattern, copying manufacturing with master piston is commonly used.
为提高工作性能，活塞裙部设计成中凸变椭圆型，立体靠模仿形车削是常用的加工方法。
To improve performs of engine, the piston skirt curve is designed to be middle convex and varied elliptic pattern, copying manufacturing with master piston is commonly used.
为提高工作性能，活塞裙部设计成中凸变椭圆型，立体靠模仿形车削是常用的加工方法。
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