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- geopotential frequency method 重力频移法
- This paper introduces the principle and tested results of measuring nodulizing grade by audio frequency method. 介绍了音频法检测铸件球化级别的原理及试验结果。
- Frequency method and Bayesian method are the two main data mining algorithms used in pharmacovigilance nowadays. 目前各国普遍使用的数据挖掘方法主要有频数法与贝叶斯法。
- 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 results show that anomaly frequency method is effective for the analysis of high frequency information characteristics in digital subsurface fluid data. 结果表明，异常频次法是地下流体数字化资料高频信息特征分析及其应用的有效方法。
- Based on the clump intensity index, regressive analysis method and zero frequency method, the spatial distribution pattern of Latori bicolor (Walker) larvae was studied. 应用聚集度指标法、回归分析法、零频率方法对两色绿刺蛾幼虫在毛竹林间的分布型进行测定。
- Time-dependent characteristic frequency method we advance here combines ingeniously theabove two methods. 本文提出的时间特征频率分析法是时频分析法和时间谱分析法的有机结合和补充。
- With the cumulative frequency method the thresholds of extreme precipitation event was defined according to daily precipitation data of 68 stations in Anhui province during last 40 years. 利用安徽省68个台站近40年的日降水资料,运用累积频率法判别分析基于日资料的极端降水事件,给出了安徽省各台站降水极端事件的阈值。
- By use of the aggregation indexes method, regressive model analysis method and zero frequency method, the spatial distribution patterns of Apriona germari (Hope) larva were studied. 运用聚集度指标、回归模型、零频率等方法对福建闽北地区杨树粒肩天牛幼虫的空间格局进行测定。
- The technology of direct digital frequency synthesis(DDS),is a new typed synthesizer technology and signal frequency methods. 直接数字频率合成技术,即DDS,是一种新型的频率合成技术和信号产生方法。
- FREQUENCY METHOD OF CAD CONTROL SYSTEMS 频率法计算机辅助设计控制系统
- timing the difference of frequency method 频差倍增法
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Double Frequency Method to Measure Water Conductivity 水电导率的双频测定方法
- Parameter Measurement of Ground Net by Abnormal Frequency Method 用异频法测量地网参数
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- Study of the Measurement of Cable Tension by Frequency Method 频率法测定拉索索力的研究
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
