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- 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。
- 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。
- 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。
- There may be unreal peaks on backscattering signal curve in themeasurement of optical fiber links by OTDR. 用OTDR测试光纤线路时，其背向瑞利散射信号曲线上常出现幻峰。
- Abstract： There may be unreal peaks on backscattering signal curve in the measurement of optical fiber links by OTDR. 摘 要： 用OTDR测试光纤线路时，其背向瑞利散射信号曲线上常出现幻峰。
- DCE-MRI was performed on a 1.5 T MR scanner. Type of time signal intensity curve, maximum enhancement slope and positive enhancement integral valve before and after chemotherapy in group A, between group B and group C were compared separately. 在Functool诊断工作站采用感兴趣区法测量和比较时间信号强度曲线、最大增强斜率和正性增强积分在A组化疗前后变化以及B组与C组的组间差异。
- 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。
- The features of back scanning signal curve using OTDR are analyzed when locating fiber cable trouble accurately and the classification of fiber cable troubles is deduced. 分析了OTDR进行各种故障准确定位时所得后向散射信号曲线的特征，推断出与之对应的光缆故障种类，如断纤故障和光损增大敌障；
- 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。
- The AE signal will be stronger when H >0.5, and it is weaker when H <0.5. On the basis of this character of Hurst index, the Kaiser point can be determined correctly by calculating the Hurst index of AE signal curve. H <0 .;5时;声发射信号趋于减弱。 根据这一规律;通过计算声发射信号曲线的赫斯特指数 (或分形维数 );便可确定声发射试验中的凯塞点。
- Shock response signal curve fitting in the form of assembling the damped sin wavelets is researched to make the shock response spectrum's (SRS) engineering application more concenient. 摘要为便于冲击响应谱的工程应用，以正弦衰减基波组合的形式对冲击信号的拟合进行了研究。
- 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
- Simulation test shows that better applicability is presented by fitting the shock response signal curve in frequency domain, and the allround optimization ability of GA is adaptable in fitting the signal under this form. 仿真试验表明，冲击信号在频域内的拟合具有较强的适用性，遗传算法的全局优化能力适合于该组合形式下的冲击信号拟合。
- 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。
- 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。
