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- Seismic modulating ratio and its application to mid-term earthquake prediction in North China 地震调制比及其在华北地震中期预报中的应用
- seismic modulating ratio 地震调制比
- But the mechanism of cold cathode penning discharge results in high modulation ratio of ion current derived from the source, and lowers the quality of current. 但是由于冷阴极放电的限制，其引出束流的调制度过大，束流不稳定，这降低了离子束流的品质。
- The theoretical harmonic analysis makes clear that the amplitudes of the distortion components mainly depend upon the voltage modulation ratio and output displacement factor of cycloconverter in FFTS. 通过理论分析表明，在分频输电系统中，交交变频器调制比、输出位移因数是分频侧输出电压本征谐波含有量的主要影响因素。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- The quality of seismic data varies tremendously. 地震资料的质量变化巨大。
- The act or process of modulating. 调节调节的行为或过程
- Most materials have different seismic properties. 大多数物质都具有不同的地震的特性。
- Calculation of Cross Modulation Ratio of CATV System CATV大系统交调比的计算
- By far,it cann't obviate seismic possibility. 到目前为止;还不能排除地震的可能性.
- Modulating valves reclose at set pressure. 调制式阀在设定压力时重新关闭。
- High fidelity virbroseis seismic data acquisition. 可控震源高保真地震数据采集方法。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- Seismic analysis of reservoir evolution. 储层演化地震分析。
- Seismic trace inversion and attributes. 地震道反演和地震属性。
- The ratio of men to women was two to one. 男女的比例是二比一。
- DIP switch,patch panel ,connector,modul etc. DIP开关，综合布线类产品，（配线架，模块，连接器，面板）
