differential coefficient
微分
常用释义
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美式发音
基本释义
- 微分系数：函数f(x)的导数df(x)/dx，即微分df(x)中微分dx的（不一定是常数的）乘法因子或系数。
例句
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1·Measuring method for differential coefficient of expansion and the standard uncertainty is introduced as well.同时介绍了微分膨胀系数的测量方法及其测量不确定度。
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2·Using position data to obtain velocity parameters of object through differential coefficient is a general method in range.通过对定位数据求微分以获得目标的速度参数，是靶场估计目标运动参数的常用方法。
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3·The control system consists of two current controllers using ADRC and one voltage controller based on differential coefficient detection.控制系统包括两个采用ADRC的电流控制器和一个基于“微分检测”的电压控制器。
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4·The VCO module makes use of differential coefficient circuit design technology to lower the effect of power resource on the clock signal input shake.系统VCO模块采用微分电路设计技术，可将电源噪音对时钟信号输出抖动的影响降至最低。
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5·Objective: To establish a simple rapid method for determining Kjeldahl nitrogen content by 1st order differential coefficient single sweep polarography.建立用一阶导数单扫描极谱法测定食品中凯氏氮含量的简单、快速的方法。
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6·The differential coefficient of smooth function was taken as a mother wavelet for researching the sensitivity segment of inflexion of pipeline leakage signal.以光滑函数的一阶导数作为小波母函数 ，研究了管道泄漏特征信号拐点区间的敏感性 ，突出小波变换系数的局部极值性。
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7·At present, the method of sensitivity analysis depends on a algorithmic optimization, and asks to be can compute differential coefficient of the target function.目前的灵敏度分析往往需要依赖于某种寻优算法，并要求目标函数能求取偏导数。
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8·At first we can get the Lagrangian function from the elliptic equation, then replace differential coefficient by difference and get the discrete Lagrangian function.给定一个椭圆方程，我们先找出这个方程的拉氏函数，用差分代替微分，得到离散的拉氏函数。
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9·Through the examination experiment on three tube pieces' crack part, the relation of crack width, the maximum of leak magnetic field and differential coefficient is found out.通过对三个管件的裂纹部位的检测实验，找出裂纹宽度与漏磁场的最大值和变化梯度之间的关系。
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10·Through the examination experiment on four tube pieces crack part, the relation of crack width, the maximum of leaking magnetic field and differential coefficient K is found out.以经爆破试验的四件小钢管件裂纹为研究对象，找出裂纹宽度与磁记忆信号的关系，得出漏磁场变化梯度的最大值随裂缝宽度增加而增加。