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- frequency translation stage 变频级
- Based on sampling theorem, the modulation is completed by direct sideband spectrum shaping and linear frequency translation. 该方案基于带通信号的抽样理论，通过直接边带成形和线形频谱搬移来实现调制过程。
- In the experiment, a sample was scanned on an X-Z 2-D translation stage, and the THz intensity information of the sample was picked up by a pyroelectric detector for imaging with a computer. 实验过程中把样品放在X-Z二维电控平移台上进行扫描成像，透过样品的太赫兹波强度信息由热释电探测器接收，然后经过电脑成像。
- electro-optic frequency translation 电光移频
- wideband optical frequency translation 宽带光频变换
- Beijing HWHR Instruments co.,Ltd is located at the center of Beijing City.Specialized in Motorized Translation Stages,Optical Adiustable Holder,Honeycomb Core Breadboards and fittings. 北京华维浩润仪器有限公司地处北京市中心，是一家集精密机械、光学、激光加工、光纤技术于一体的高科技企业。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- frequency translating transponder 变频转发器
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- and the compensation device is advantageous in high accuracy, rapidness and accurate displacement as compared with a manual translation stage. 与手动式平移台相比具有精确、速度快、移动量确定等优点。
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- Antisense oligodeoxynucleotides (ASODNs) are synthetic ODNs, which hybridize with specific gene segments modulating the expression of these genes at transcriptional and translational stages. 反义寡核苷酸（ASODN）是一段能与特定基因结合并抑制其表达的人工合成的脱氧寡核苷酸链，可在转录、翻译水平调节相关基因表达。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- Motorized translation stage 电动平移台
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- frequency translation diagram 频率变换图
- He manipulated the frequency dial of the radio. 他开始调拨频率键盘。
- The pitch depends on the frequency. 音调的高低是由频率决定的。
- The resulting frequency varies by a few percent. 最终频率有少许变动。
