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- Frequency and Timing Subsystem 频率与计时分系统
- This is the basis for the well-known cesium clock, presently the standard of frequency and time. 这就是众所周知的铯原子钟的基础，它是目前的频率和时间基准。
- Sampling frequency and time constant of phase-locked amplifier were increased by using microcomputer. 采用计算机采样，提高了采样频率和锁相放大器的时间常数。
- Frequency and Time Responses of [S], G, Z, V, and I of Cascaded 2-Port Delay Line. 串结二埠电路迟延传输线之散射参数、反射、阻抗、电压、及电流之频域与时域响应。
- The Frequency and Time Responses of Input Impedance, Reflection, Voltage, and Current at Input and Output of a Transmission Line. 传输线两端及沿线之输入阻抗、反射、电压、及电流之频域及时域响应。
- Objectives. To determine the differences between frequency and time domain parameters of EMG signals of patients of cervical pain and normal controls. 目的：为了研究颈痛患者和正常人之间肌电图的频率和时域的区别。
- At last, basic principles for characterizing UWB antennas in both frequency and time domains are summarized and measurement methods using network analyzers are also given. 第四，将探讨超宽频天线于频域和时域之特性并将基本原理及重要公式作一整理与推导，并且述叙了对于时域研究藉由网路分析仪之量测方法。
- The seismicity levels on the active tectonic block boundaries are discussed considering the large earthquake frequency and the released strain energy in unit distance and time. 从各边界带上强震活动的频次和单位时间、单位长度的地震应变能释放出发，讨论了各活动地块边界带的强震总体活动水平；
- Wavelet transform involves the two-variate function of frequency and time, which makes it convenient to simultaneously compensate for attenuation of seismic energy in frequency and time domains. 小波变换作为频率和时间的二元函数，使之可以很方便地在频率和时间域中同时进行地震波能量的吸收衰减补偿。
- It means to give the most-needed and timely aid. 它的意思是给予最需要的及时的帮助。
- A book worth reading once is worth reading time and time again. 值得一看的书值得一看再看。
- Such a great work require the expenditure of much money and time. 这么庞大的工作需花许多金钱和时间。
- If I have enough money and time, I'm going to take a trip abroad. 假如我有足够的钱和时间，我准备去国外旅行一次。
- High Frequency and Temperature Stability. 高频及高温稳定。
- Radio frequency and communication test equipment. 射频通信综合测试仪。
- FTMC Frequency and Time Measurement Counter 频率时间测量计数器
- Stay on one frequency and keep on calling. 在一个频率上坚持地呼叫（换句话说就是不要轻易扫地?）
- standard frequency and time signal service 标准频率和时间信号业务
- Standard frequency and time signal 校准频率和时间信号
- Standard frequency and time signal station 标准频率和时间信号电台
