高频率的

The Poly Vinylidene Fluoridemembrane was chosen to produce ultrasonic in transducer due to its higher sensitivity and better flexibility than other piezoelectric material.At the mean time,harmonic analysis to the PVDF film vibration was performed using ANSYS.The results show that the PVDF membrane can produce an ultrasound with afixed resonance frequency.

对各种压电材料进行比较分析，得到聚偏二氟乙烯膜比其它材料具有更高灵敏度和更好柔韧*，通过对其振动特*进行有限元分析，得到PVDF膜在固定频率具有振幅最大值，可知PVDF膜更适合做声频定向超声波传感器的振动膜来进行声音传播的方向控制。

Due to the high frequency of use of the mouse, the mouse is particularly important on the clean.

由于使用鼠标的频率很高，鼠标的清洁就尤为重要。

Connectivity between matrix and keyboard, in view of the fact double to RS485, and the data convert frequency is higher, a lot of optical transmitters can't adapt, will take place:Complete impassability;Hour the good hour is bad;Over 3 kilometers for the phenomemon of the impassability, at the equipment chooses the type need the special note.

矩阵和键盘之间的连接，由于是双向RS485，而且数据转换频率较高，很多光端机不能适应，会发生：完全不通；时好时坏；超过3公里就不通的现象，在设备选型时需特别注意。

Connectivity between matrix and keyboard,in view of the fact double to RS485, and the data convert frequency is higher, a lot of optical transmitters can't adapt, will take place:Complete impassability;Hour the good hour is bad;Over 3 kilometers for the phenomemon of the impassability, at the equipment chooses the type need the special note.The

矩阵和键盘之间的连接，由于是双向RS485，而且数据转换频率较高，很多光端机不能适应，会发生：完全不通；时好时坏；超过3公里就不通的现象，在设备选型时需特别注意。

In the process, the instantaneous speed of the drive system is higher than the instantaneous synchronous speed because of the inertia of the drive system.

为 了使拖动系统停止，逐渐减小频率；此时，由于惯性的缘故拖动系统的瞬时速度比同步瞬时速度要高。

These applications call for higher requirements of the laser frequency stabilization, narrow linewidth, phase stabilization and other properties.

这些应用对于激光器的频率稳定性，线宽，位相稳定性等性能提出了更高的要求。

I watched him looking intently in the direction where the man-eater was still demonstrating, his 12-bore gun ready for instant action should the animal charge.

should 一词在中学英语课本中出现频率很高。它的用法灵活、含义丰富，因而一直是历年高考关注的热点。现将其具体用法分述如下

Motorola's name for its wireless local area network, which transmits at the very high frequency of 18 to 18 megahertz.

摩托罗拉公司的一种局域网名称，这种局域网以非常高的频率（18-18MHz）传输数据。

HMLH3 missense mtations in family 9 and 10 may be pathogenic, with reduced penetrance. While in family 1 and 7, there were not sufficient evidence supporting the monogenic explanations of esophageal cancers in families.

然而由于这2项突变在家系中发生的频率较高，而在散发性病例和正常对照中均没有此项改变，因此提示T3826C和G4335A也可能具有一定的致病性。

These signals are instantaneous and nonperiodic, some of them have very high frequency.

这些信号是瞬变的非周期的单次脉冲信号，有的频率很高。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！