The technology parameters are determined by experimental work, and successful used in trial production.
通过试验，最终确定了各项工艺参数，并在试生产中取得成功。
Experimental procedure of control group was the same of trial group except being shot.
对照组动物除不枪击外，实验步骤同实验组。
First trial observations have been made since the establishment of the experimental VLBI system.
实验VLBI系统建立后进行了初次试验观测。
First trial observations have been made since the establishment of the experimental VLBI system.
实验VLBI系统建立后进行了初次试验观测。
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