the procedure that is varied in order to estimate a variable's effect by comparison with a control condition
双语例句
The experimental conditions for the sampling by purging and traping were optimized. 同时对吹扫捕集的试验条件进行了优化,得到了满意的结果。
The experimental condition in determination of water extract resistance of rubber mixture with conductometric method has been studied. 本文对用电导法测定胶料水溶物抽出电阻的试验条件进行了几点深入的探讨。