frequency的例句大全

Evaluation of Hearing Threshold of Lower Frequency in Deaf-mute Children With 40 Hz AERP and Its Influence on Sleeping

40Hz听觉相关电位评价聋哑儿童低频听阈及睡眠对其影响的探讨

She's using the russian satellite network to distribute that frequency worldwide.

她正在用俄国卫星网络来像全世界散播那个频率.

This dissertation studies the ground clutter suppression of ABSR. Because low pulse repetition frequency ( LPRF) and low side-lobe antenna are adopted, we focus on main-lobe clutter suppression.

本文主要研究机载战场侦察雷达的地杂波抑制，由于采用了低脉冲重复频率和低副瓣天线，我们主要考虑主杂波的抑制。

The high frequency switch technology of large power is developed successfully by the perfect control of PWM ( Pulse Width Modulation) and ZCC ( Zero Current Control), ZVC ( Zero Voltage Control) in the unit.

通过PWM（脉宽调制）和ZCC（零电流控制）、ZVC（零电压控制）的完整控制，成功开发应用了大功率高频开关技术。

Technical Feature and Commissioning Method of YTF ( S)-500 High-frequency Remote Tripping Signal Transmitting Device

YTF（S）-500型高频远方跳闸信号传输装置技术特点与调试方法

The results showed the transformation frequency was higher as suspending medium composed MS and YEB to proportion.

实验表明：YEB和MS按适当比例混合作为悬浮培养基转化率较高；

Overhaul of XSR type of Rubidium atomic frequency standard

XSR型铷原子频标的检修

Analyses failures of XSR type of Rubidium atomic frequency standard used in our factory, and introduces the situation of particular overhaul in detail.

对我厂的频率标准XSR型铷原子频标发生的故障及具体检修情况作了较详细的分析和介绍。

Objective: To validate the food frequency questionnaire ( FFQ) with3d weighted food record ( WFR) in assessing the dietary energy and nutrients intake.

目的：食物频率问卷法（FFQ）问卷评估人群膳食能量和营养素摄入量的准确性进行验证。

Base on the analysis of convection and lower-level west wind distributing in different phases over WNP, low-frequency convection and west wind propagate to northwest.

根据西北太平洋的对流和低层西风在不同位相分布的分析，可以看出西北太平洋的低频对流和西风是向西向北传播的。

WHV/ myc transgenic mice develop liver tumors spontaneously at a high frequency.

目的：WHV／myc转基因小鼠其肝脏肿瘤的自然发生率很高，本研究旨在细胞水平探测WHV／myc转基因小鼠肝癌发生过程中。

Estimation of Frequency Based on Several Methods in WGN

复高斯白噪声下基于多种方法的频率估计

Results show that the frequency of WFD is 47.7%, and is raising trend.

结果表明：冬小麦晚霜冻害发生频率为47.7%，且有增多的趋势；

The algorithm then takes advantage of local spatial-frequency characteristic of wavelet coefficients and compensates the WCB of prediction block with that of reference block.

然后利用小波系数的局部空频特性，在小波变换域用参考块的小波系数块对预测块的小波系数块进行补偿。

The results showed that parameters Index of Diversity(ⅰ), Variance of Phenotypic Frequency ( VPF), Variance of Phenotypic Value ( VPV) and Coefficient of Variation ( CV) are more effective on evaluating different methods for core collection selection among 8 studied parameters.

结果表明，在所选8个参数中，多样性指数、表型方差、表型频率方差及变异系数为对比不同核心种质取样方法间优劣的有效参数；

When acupuncture attained effect of weight reduction, the frequency of spontaneous discharges of nerve cells in the VMH increased obviously;

针刺在取得减肥效果的同时，可以显著提高VMH神经细胞自发放电频率；

Unidirectional valve patch ( UVP) were used to repair theVSD; The application of high frequency jet ventilation in anesthesia of video-assisted thoracoscopic surgery in the closure of ventricular septal defect

术中应用顺单向活瓣补片修补室缺；高频喷射通气用于胸腔镜下室缺修补术的麻醉

The paper introduces principle and application of variable frequency starting system of high voltage synchronous motor by UKL "Khemz" import.

介绍一种由乌克兰汉姆斯引进的高压同步电动机的变频起动装置。

TJD program is a general-purpose program for linear circuits. It can be used for direct circuit analysis, alternating circuit analysis, frequency character analysis, transient analysis and direct and alternating circuit sensitivity analysis.

TJD电路分析通用程序可以对线性电路作直流分析、交流分析、幅频相频特性分析、瞬态分析以及交直流灵敏度分析。

The structures of the derivatives of 1,2,3,4-tetrahydroquiazoline ( THQ) are optimized at the HF/ 6-31G ( d) level. Vibrational frequency analysis is performed at the same level to ensure that the optimized geometry is stable.

用HF/6-31G（d）方法优化了1,2,3,4-四氢喹唑啉（THQ）衍生物的结构，并进行了频率分析以保证优化的结构是稳定的。