multiple ion counting 多离子计数
But if you use multiple aggregations with the same grouping keys, or multiple counting functions that count the same column, it will not significantly increase the execution time of the rule.
但是,如果使用具有相同分组关键字的多个聚合,或者对相同列进行计数的计数函数,其不会显著增加规则的执行时间。
Because the property page can be displayed for a number of selected files and directories, you have to make provisions for counting multiple files.
因为属性页面可被显示为很多选中的文件及目录,所以必须预先计算多个文件。
The time intervals between laser main pulse and the corresponding multiple echoes were needed to measure in photon counting imaging lidar, and the system had to have high precision.
光子计数成像激光雷达需要测量一个激光主波和与之对应的多个回波之间的时间间隔,并具有高精度。
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