This method is simple and convenient.
此种方法简单易行,便于操作。
The A-P value method is simple and convenient for the control of total air pollutant emission.
大气污染物排放总量控制A - P值法,是一种十分简便,有利于行政管理的方法。
The sheet join method is simple and convenient, and calculating program is correct and reliable.
作业实践说明,该接边方法简便实用,计算程序正确可靠。
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