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1·The variable coefficient is 0.55% .

此方法的变异系数为0.55％。

2·Water has a variable coefficient of expansion.

水的膨胀系数是可变的。

3·The system with variable coefficient is also discussed.

对于变系数的微分系统也作了相应的讨论。

4·The drawing speed has little influence on the strength variable coefficient.

拉伸速度的变化对强度变异系数的影响不大。

5·This paper, take the production of bellows for example, introduce the method of variable coefficient extension.

此文以波纹管生产为例，介绍了变系数拉伸法。

6·Using the multiplier method, we study the boundary feedback stabilization of the wave equation with variable coefficient.

利用乘子法研究了带有变系数的波方程的反馈镇定问题。

7·A novel variable coefficient spatial filter is designed, which could effectively enhance the background difference image.

本文还设计了一种新的变系数空域滤波器，该滤波器能有效地对背景差图像进行显著增强。

8·The distribution of separate layer injection intensity appears lognormality, and the variable coefficient is one constant.

分层注水的层段注水强度服从于对数正态分布，并且其变异系数为一常数。

9·The differences of average contents and the variable coefficient of the heavy metals in different types of soil are smaller.

不同土壤类型平均重金属含量和变异系数差异均较小。

10·The two conditions of the second order nonlinear differential equation with variable coefficient are given and expounded with examples.

对二阶变系数非线性微分方程的常系数化给出两个使其可积的条件，并举例论证。