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- standard frequency and time signal service 标准频率和时间信号业务
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- I corrected my watch by the time signal. 我按报时信号校正我的表。
- time signal service 报时信号业务
- I've just set my watch by the radio time signal. 我刚按电台的报时信号拨了表。
- I set my watch by the time signal on the radio. 我根据电台的信号,对手表。
- He set his watch by the time signal. 他按报时信号校准他的表。
- Their signal service was rudimentary. Radar was unknown to them. 他们的通信设施很不健全,他们还不知道有雷达。
- I have just setting my watch by the radio time signal. 我刚按电台的报时信号拨了表。
- I often set my watch by the time signal in the telephone. 我常常按电话里的报时信号对表。
- timed signal service 报时信号服务
- During these weeks of intense struggle and ceaseless anxiety, Lord Beaverbrook rendered signal service. 在战斗非常激烈,令人无限忧虑的这几个星期里,比弗布鲁克勋爵作出了杰出的贡献。
- Discrete time signal(sinusoid) must satisfy N*Ts = qT to be perioic . 一个连续的正弦周期信号,抽样产生的离散信号不一定还是周期信号。
- A six-pip time signal is sent to Radio Television Hong Kong for broadcast at quarter-hour intervals. 每隔15分钟,6响报时信号便会经由香港电台转播。
- A. V. Oppenheim and R. W. Schafer, . Discrete - Time Signal Processing. Englewood Cliffs, NJ :Prentice Hall, 1989. 胡广书.;数字信号处理-理论;算法与实现
- Based on the analysis of SDH network layer structure, the MSOH in SOH is made certain to transmit time signal to reduce the effect of position deviation on time uncertainty. 在对SDH网络层次结构分析的基础上,确定使用SOH中的MSOH来传递时间信号,以减小位置误差对时间不确定性的影响。
- Universal time service in the years 1966-1975 is reviewed, including astronomi- cal time observations, the Joint System of universal time, the rapid service and the controling of the transmission of UT_1 time signals. 本文回顾了1966-1975年的我国世界时工作;包括天文测时;综合系统;快速服务和UT_1时号发播控制情况.
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。