This permits calculating the CPU cost of a message flow as the difference in CPU time before and after a measurement.
这允许根据测量前后的时间差异计算消息流的CPU成本。
2
After a relay is closed, it's important to allow sufficient settling time before taking a measurement.
在继电器被闭合后，在进行测量之前要留有足够的稳定时间，这点非常重要。
3
Based on technical measurement of a certain fan before and after alternation, energy consuming and noise are compared respectively. The economic and technical analysis is made too.