The good composition of liquid membrane can be explored only through repeated tests.
液膜的良好配方只有通过大量试验去探讨。
Through repeated tests, we found that the back ground music Love and Happy has a good effect.
经我们反复试验发现：由百余首世界经典名曲剪辑而成的《爱和乐》作阅览室的背景音乐效果很好。
A prototype through repeated tests, the system is stable and reliable and the final text will be presented some experimental data.
通过试制样机反复试验，系统运行稳定可靠，最后本文将给出部分实验数据。
Since 1990 through repeated tests by trial and error, two feasible control methods, have been raised and gradually perfected, namely method of using plugging agents and that of using packers.
从1990年开始，通过反复的摸索和试验，提出并逐渐完善了两种切实可行的治理方法，即封堵剂法和封隔器法。
Our company's haze meter, is the company through years of study and repeated tests of a specialized tool for shaping the production.
我们公司的烟感探测器，是公司经多年研究，反复试验后定型生产的一种专用工具。
Our company's haze meter, is the company through years of study and repeated tests of a specialized tool for shaping the production.
我们公司的烟感探测器，是公司经多年研究，反复试验后定型生产的一种专用工具。
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