查询词典 fre

Due to the use of permanent magnet in structure,a bistable electromagnetic radio fre- quency micro-electro-mechanical systemsswitch based on UV-LIGA technology re- quires no energy to remain at"on"or"off"state.

一种基于UV-LIGA加工技术的双稳态电磁型RF MEMS开关，由于其结构使用了永磁体单元而使得开关在维持&开&或&关&态时不需要功耗，从而实现低功耗的电磁驱动。

This paper deals with frame detection of OFDM signal with multiple-periodic preambles transmitted over frequency-selective channels and with existence of carrier fre-quency offset.

摘要该文研究了具有多周期前导字WLAN OFDM帧信号在多径弥散信道、存在载波频偏条件下的检测。

According to the characteristics of field dis tribution, a method to abstract quadrature component and amplitude of vertical magnetic field in near-field zone is proposed. Based on the dual-fre. quency combi nation wave theory, apparent resistivities with various forms at center and any point in near-field zone of current loop on stratified earth are defined.

根据场分布的特征，提出了在近区提取磁场垂直分量的正交部分和磁场垂直分量的振幅作为研究对象的方案；根据双频组合波理论，利用它们所对应的双频差，给出了载流回线中心点和近区任意点的视电阻率不同形式的表达式。

The opposing party, who must truthfully answer them under oath. Interrogatories are fre

最常见的是审问——给对方一系列写好的问题，在宣誓后必须真实地回答。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。