Thestaircase-like increasing off(s) obeys an exact differentialgap equation, which can be solved analytically.
的阶梯式增长服从一个精确的隙距方程，该方程有精确解。
2
The limit value of the steam turbine's relative differential expansion is stipulated synthetically according to the structure, material and the installational axial gap size and so on.
汽轮机相对胀差上下极限值是根据汽轮机的结构、材料、安装轴向的间隙尺寸等因素综合考虑规定的。
3
In this paper, the sufficient condition for self-excited oscillation of dynamic systems with gap is given by using qualitative method of differential equations.