趋向CPB下心脏手术肺保护已取得一定的成果，但更多的研究仍值得开展。
Trend Lung protection of cardiac surgery with CPB has been achieved some results, but more research is still worth carrying out.
目前的理论对强制执行宏观论述已取得一定的成果，但对具体制度的构建却较少。
Though current theoretical research has yielded certain results, few are related to the specific structure of the regime.
通过收集资料的过程中了解到国内外关于英语听力方面的学术研究已取得一定的成果。
From the information collected, we find that the research about English listening has made achievements both in domestic and abroad.
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