美国疾病控制与预防中心(CDC)也对某些基因数据加以限制，这些数据是由全球不同地区分析得到的。
America's Centres for Disease Control (CDC) also restricts access to some of the genetic data that it has analysed from various parts of the world.
数字传输系统的品质因数Q—这个新概念可以用于具有各种调制的数字传输系统性能的分析。
The digital transmission system Q factor-a new concept may be used to analyse the characteristics of digital transmission systems with different kinds of modulation.
由多口井数据的统计计算和分析，可得某一油田或区块的水平井设计轨道各井段的摩阻因数放大因数。
Modified factor of frictional coefficient of different sections of designed path of one field or area is obtained by statistical computing and analysis of more Wells.
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