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角的正切

与 角的正切 相关的网络例句 [注:此内容来源于网络,仅供参考]

Relative dielectric permittivity and loss angle tangent among them are the two of most important indexes.

相对介电常数和介质损耗角正切是其中的两个重要的性能指标。

The measurement of dielectric loss angle is one of the main methods in the preventive tests for the insulation of electrical equipment.

电气设备绝缘预防性试验中的介质损失角正切的测量,则是一种使用较多而且对判断绝缘较为有效的方法。

Loss'.'' angle; a measure of the heating effect which occurs in dielectrics.

损耗'。''角的正切的乘积,这是对出现在电介质中的热效应的量度。

A measurement method of the reflection coefficient of the radome electrical thickness has been introduced.

利用短路波导法测量了材料介电常数和损耗角正切,测量结果显示:介电常数测量的精度和稳定度较高,损耗正切的测量误差较大。

Basing on the fast Fourier transform.The fluorescence lifetime is obtained from the tangent function of the phase angle of the first nonzeroth items of the FFT result.This method has advantages such as quick calculation,high accuracy and immunity to the base signal.

基于快速傅里叶变换的拟合方法,从第一个非零项的相位角的正切值得出被测的荧光寿命,具有速度快、误差小、不受本底干扰等优点。

The method is based on the principle of triangle inequality with the use of the third side and both sides of the ratio of the size to determine the Corner to feature point and its two adjacent feature points formed by the angle between two tangent linear and the third triangle on both sides and edges with another feature of the ratio as a variable.

该方法根据三角不等式原理利用第三边与另外两边之和的比值大小来确定角点,以特征点和它相邻的两个特征点所形成的两条直线的夹角正切值以及三角形第三边与另两边和的比值作为特征不变量。

The canals are arranged so that one gives yaw, another pitch, and the last- roll. The utriculus gives the fish its ability to hear.

运河被安排以便你给弹道正切角、其他沥青,和最后卷。utriculus 给鱼它的能力听见。

After esterification by BTCA Acoustic properties of picea sitchensis Carr.andChamaecyparis Iawsoniana ParI were changed,(treated/untreated ratio):Loss tangentdecreased 10~2424% in the tangential ofpicea sitchensis Carr,9~17% and 10~22% in thetangential and radial directions of Chamaecyparis Iawsoniana ParI.,respectively.Specificdynamic Young's modulesand acoustic radiation coefficient of two wood changedunremarkably,in the tangential direction with increment of ASE.Specific dynamic Young'smodulesincreased 3~9% in the radial direction.tgδ/E of decreased 9~27% intangential of picea sitchensis Carr,7~14% and 10~26% in the tangential and radial directions ofChamaecyparis Iawsoniana ParI.,respectively.

BTCA酯化处理西特克云杉和美国扁柏木材的声学性能发生了变化,处理材与未处理材比值,损耗角正切tgδ:西特克云杉纵向下降10~24%,美国扁柏下降纵向9~17%,径向10~22%;比动态弹性模量E/ρ:两种树种的纵向变化均不明显,随着ASE上升变化不规则,美国扁柏径向上升3~9%;声辐射阻尼的变化类似于比动态弹性模量E/ρ的变化;tgδ/E:西特克云杉纵向下降9~27%,美国扁柏下降纵向7~14%,径向10~26%。

The product is characteristic of low dielectric Largent at high frequency and is self fluxing It's suitable to be used as elements and coils of high frequency equipment.

该产品具有在高频下漆膜的介质损耗角正切小的特性,并且有直焊性,适应高频电器仪表绕圈和元件。

Constant'.'' and the tangent of its dielectric loss angle; a measure of the heating effect which occurs in dielectrics.

常数'。''和介质损耗角的正切的乘积,这是对出现在电介质中的热效应的量度。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?