n. norm
misc. modified cube
科学计算，加、减、乘、除、开方、平方、三次方、三角函数(sin cos tan)、阶乘、求反、取模等。
Scientific calculator supporting addition, subtraction, multiplication, division, square-root, square, cube, sin, cos, tan, Factorial, inverse, modulus.
入口截面不消耗剪切功率，然后用上界定理与曲面积分方法首次得到了用余弦模拉拔方棒时变形力的解析解。
Then with the upper-bound theorem and the surface integral an analytical solution of the drawing stress was first obtained.
本文介绍了一种利用慢度曲面判断三方晶系晶体纯模轴的方法。
A method of obtaining the pure mode direction of the trigonal system by the slowness surfaces is introduced.
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