A Discussion on Blow Performance Limit of Clutch Screw Presses;
离合器式螺旋压力机极限打击性能的讨论
The Frmula Judging Method of Edge-turning Limit of Interior Holes;
内孔翻边极限的公式判定法
The Limit of Human Performance in the Pole Vault;
人类撑杆跳高成绩的极限研究
Environmental problems are caused by human's act ivities and their influences , which go beyond the limit of environment.
环境问题是人类活动及其影响超出环境承受能力的极限所造成的后果。
A detailed discussion on the limit of function of functions is taken and six theorems are given in this paper.
本文对复合函数的极限做了细致的讨论 ,给出了 6个定
How to get the limit of the dual function is a difficult point in advanced maths.
二元函数求极限是高数中的难点,现归纳了6种求二元函数极限的方法,分别为:直接证明、先估值后证明、利用二元函数的连续性、用无穷小量与有界变量的乘积仍为无穷小量的结论、用重要极限limx>0sinx=1、用两边夹定理。