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- two frequency interrogation 双频询问
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
- Abstract : The two frequency method for measurring corrosion reaction resistance based on a. c. impedance and numerical integration has been proposed. 摘要 ： 提出了基于交流阻抗和数值积分原理的二点频率法。
- The interval between any two frequencies having a ratio of 2 to 1. 倍频程频率比率为2比1的两个频率的间隔。
- multiple frequency interrogation 多频询问
- In the paper,the authors analyzed polar motion data series recently released by IERS,and in combination with spectrum resolution,discussed two frequency of Chandler wobble. 分析了IERS新近公布的经统一归算的极移数据,结合频谱分析中分辨率的有关问题,进一步讨论了Chand ler摆动的双频现象。
- A new two frequency laser alignment system is developed which consists of two Wollaston prisms with the same structure.One is for measurement;another for compensation. 介绍了一种新型自适应双频激光准直系统，该系统利用了两个完全对称的渥拉斯顿棱镜，一个作为测量元件，另一个作为补偿元件。
- The method for generating the second signal is put forward based on the period rule of the phase difference for two frequency signals with the frequency difference. 摘要利用两个有一定频差的频率信号相位差变化的周期性规律提出了一种秒信号产生方法。
- An inspection of (4. 3-5) reveals that for a given K there are two frequencies. 由式(4.;3-5)可见;对于给定的K有两个频率。
- The two systems of government are polar opposites. 这两种政体正好相反。
- The business is owned by two partners. 这家商行为两名合伙人所拥有。
- Inside the integrated circuit IC1, after suitable divisions, the two frequencies are sent to the phase comparator that generates the lock voltage of the secondary oscillator. 在综合电路IC1的内部，经过合适的划分，两个频率被送往相位比较仪，这两个频率产生二级振荡器的锁电压。
- Two frequency eddy current testing 双频涡流检测
- She has two cars and in addition a motorboat. 她有两辆轿车外加一艘汽艇。
- The meat marinated in the brine for two days. 这块肉在盐水里泡了两天。
- Also, itsuggests the method with two frequencies and two parameters to measure the thickness of platinglayer thereby measuring the magnitudes of the plating layer. 提出了采用两频率两参数测量镀层厚度的方法，从而可以在线测出镀层厚度的大小。
- At that time he had two helpers. 当时他有两个助手。
- Kindly send us two samples of each class quote for. 报价时，请对每一个等级的各寄两个样品。
- time-sharing two frequency laser 分时双频激光器
- The two boys decided to play truant and go fishing. 这两个男孩决定逃学去钓鱼。
