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- two frequency calling channel 双频呼叫信道
- 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。
- 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。
- Attention: All vessels within VTS area shall keep watch on calling channels specified by the competent authority. 所有在VTS管理水域内的船舶应在主管机关公布的呼叫频道上保持守听。
- In UK, Lobster 700 TV able to receive digital radio stations as well as BBC1, ITV1, E4 and a special channel called Channel 4 Shortcuts. 在英国，龙虾700电视能接收数字广播电台以及bbc1，鼠疫，e4类和特殊频道4频道捷径。
- A microphone attached to the bottom of the glider can pick up calls from all whales, including the high frequency call of the beaked whale, which until now has been difficult to detect. 安装在滑翔器底端的麦克风可以捕捉到所有种类的鲸鱼叫声。包括由喙鲸发出的高频率叫声，在此之前一直都难以探测。
- MR Activate call channel function 启动呼叫频道功能
- Generally less than 20 kHz frequency called Distribution Line Carrier [DLC] and the non-use permit is to allow, on the basis of non-interference in each other. 通常频率少于 20 仟赫被称为分配线运送者 [DLC] 和使用是允许在一之上非得到许可的, 非冲突基础。
- 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。
- I called channel five. 我打电话给了第五频道。
- The two sides call a truce to avoid further bloodshed. 双方宣布停战以避免再有伤亡。
- 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。
