Trial grade system is a basic civil procedure system. It has two functions:correcting wrong judgments and seeking unity of thinking.

审级制度是一项基本的民事诉讼制度，其基本功能有二：即纠正错误判决和统一法律见解。

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All three are reported to have offered the 22-year-old attacker the chance of a trial, in order to better assess whether he has what it takes to make the grade in the Serie a.

报道说所有这三支球队都有向这位22岁的攻击型球员提供了试训的机会，以求更加确定他是不是有在意大利甲级踢球的能力。

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The trial application of TCLW150/06Z filter prototype in Dagang Oilfield shows that the treated water quality reaches A3 grade water quality for low-permeability formation.

CLW150/0.6Z型过滤器样机在大港油田采油二厂庄大站的工业运行试验表明，处理后的水质达到了低渗透地层A3级注水水质标准。

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