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[通信]频率控制
1、cutoff frequency───截止频率
2、frequency modulation───调频
3、frequency generator───[计]频率发生器
4、cumulative frequency───[统计]累积频率，[电子]累积频数
5、control───v.指挥; 控制; 限定; 限制; 阻止蔓延; 抑制；n.统治; 控制（力）; 克制; 管理; 限制; 控制按钮; 检查站/人员; 对照标准；n.控制；管理；抑制；Cao纵装置；vt.控制；管理；抑制
6、frequency equation───频率方程
7、frequency polygon───[统计]频数多边形
8、frequency range───频带; 频段；[电子][通信]频率范围
9、frequency───n.频率；频繁
1、Methods include evaluation measurement technique, error -proofing, sample size and frequency, control method.───方法包括测量技术评价，防错，样本容量与频率，控制方法。
2、The main motor adopts frequency control of motor speed to save more electricity and regulate speed more freely.───主电机采用变频电机，使您更省电，调速更自如。
3、discrete frequency control method is proposed for thyristorized static switch.───用于感应电机起动的离散频率控制方法。
4、This study develops a prototype of three-level frequency control and carries out a large number of experiments.───本文研究开发了三电平变频调速样机并进行了大量实验。
5、Drawing part: It has adopted pneumatic gripping and the famous brand frequency control systems which enable the stable drawing of the pipes.───牵引部分：采用气动夹紧，品牌变频调速，可实现管材的稳定牵引。
6、Syllable with a different frequency square wave, square wave of the frequency control timer.───音节有不同频率的方波产生，利用定时器控制方波的频率。
7、It also contains functions of frequency control and automatic counting. The size can be customized by customers.───全机变频调速，定量计数，可根据用户要求定制尺寸。
8、The control system consists of fuzzy controller, blast and aeration system, frequency control equipment and DO tester.───整个控制XiTong由模糊KongZhiQi、鼓风曝气XiTong、频调速装置和溶解氧测试仪组成。
9、For welding thicker pieces, automatic frequency control should be adopted.───对于较厚的焊件，应进行频率自动控制。