二次的

When applied to precision measurement, it requires the excitation voltage be well controlled to keep the vibrating signal in the linear region of the curve.

微谐振器二次谐波响应的分析是一个创新，提供了微谐振器应用时消除二次谐波影响的完善途径。

The compound perforation technology adopts a new principle of secondary blasting and secondary fluidics.

复合射孔技术采用二次起爆、二次射流连续接力复合射孔新原理，能大幅度提高射孔深度和孔径，增大渗透面积，理想地沟通油气层段的储油渠道，达到油气田高产稳产的目的。

This second hoist device can good match with the four-post hoist, it is used to take down tires, repairing the motorcar chassis, angle measure and wheel alignment.

本课题设计的二次举升小车是一种配合四柱式汽车举升机使用的二次汽车举升设备。便于轮胎拆卸、底盘检修、车轮角度测量和车轮定位。

The 90 percent of input power is broadened to the fundamental frequency, first and second side frequency.

使90%的光功率分散于主峰以及一、二次边频，且一、二次边频的功率近似相等。

We also studied the coupling effect on the excitonic photoluminescence and the second harmonic generation in a series of asymmetric double ZnCdSe/ZnSe quantum well structures.

我们还研究了耦合非对称ZnCdSe/ZnSe双量子阱的二次谐波产生，发现随着阱间耦合的增强，二次谐波信号强度也逐渐增强。

The question on bifurcation of limit cycles in quadratic conservative perturbations of a quadratic integrable system is discussed.

研究了一个具有同宿轨的二次可积系统在二次保守扰动下的分支现象。

A physical model of the process of two propulsions is proposed, and a mathematical mode of interior ballistics of two propulsions is also established based on a 12.7mm test gun, while general effects of various parameters upon maximum pressure and muzzle velocity are revealed.

提出了二次发射过程的物理模型，并以12.7mm弹道枪为对象建立了膛内二次发射内弹道数学模型，分析了参数变化对膛压和初速的影响规律。

According to the method of Englert, we introduce perturbation to calculate the system Hamiltonian.

我们按照Englert等人的计算方法对系统二次哈密顿项直接引入微扰即定义了一个尝试性的二次哈密顿项来进行微扰计算。

Based on definitions and propositions and examples,it is first proposed the method of undetermined coefficients for normal quadratic curve equations.

0引言由二次曲线的射影定义可知，平面上任五个不同的点，其中没有四点共线，则过此五点唯一确定一条二次曲线。

The design problems of the optimal output feedback control system based on the frequency-shaped quadratic functional are discussed

讨论了基于频率成形二次型指标的输出反馈控制系统设计方法，推广了频率成形二次型指标的应用。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。