indirect observation

• 间接测量,间接观察,间接观测

indirect observation的用法和样例：

例句

1. An indirect method for measuring the high frequency pulsating flowrate in a pipe is proposed in this paper.
   本文提出了一种高频脉动管道流量的间接测量方法。
2. And we compare the result from indirect measurement with that from direct measurement.
   并对直接测量和间接测量结果进行分析比较。