useful quantity造句

例句与造句

1. A very useful quantity is the half-time for the reaction .
   一个很有用的量是反应的半衰期。
2. Br > useful quantities have changed hands
   较大的数量已经转手。
3. Useful quantities have changed hands
   较大的数量已经转手。
4. Useful quantities have changed hands
   较大的数量已经转手
5. Abstract : in this paper ? for real marine underwater noise data by using synchronous acquisition of points ? inputs - output covariance matrix is obtained by filtering ? compensating delay and crosscorrelation . then the contribution of inputs to output in network sense and partial coherence as well as other useful quantities are calculated from the inputs - output covariance matrix
   文摘:本文对多点同步测量方法记录的舰艇噪声数据,采取在时域上作滤波、时延补偿和互相关得到输入输出协方差矩阵,然后从输入输出协方差矩阵计算在网络意义和偏相干意义下输入对输出的贡献以及其它有用的量。
6. It's difficult to find useful quantity in a sentence. 用useful quantity造句挺难的