- 1.这是第一次正式以实地实验的方式对这个问题进行检验。
This was the first experiment to formally put that question to a practical test.
dict.yoduao.com - 2.大量实地实验验证了该方法的有效性和可行性。
Lots of experiments validate this method's validity and feasibility.
dict.yoduao.com - 3.对我国北部温凉带地区草坪网球场草坪建植作了实地实验建议。
The technique of establshing turf in tennis court in warm and cool areas in the North of China is suggested in the article.
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