DESIGN: Random grouping and blank control trial.
设计：随机分组，空白对照实验。
No intervention was given in the blank control group.
空白对照组未进行干预。
Each area should develop and maintain a test blank control log.
各区域应制定和保存测试盲板编排记录。
Another 8 normal mice were chosen as group 5 (blank control group).
另8只正常小鼠为第5组(空白对照组)。
The right common carotid artery of the normal group served as blank control group.
以未服药组右侧颈总动脉作为空白对照。
Control their own thoughts and do not imagine anything blank.
控制着自己的思绪，不去空白的想象任何事。
Design: Blank, control experiment was designed.
设计：空白对照实验。
Pure water is taken as blank reagent (control) based on the result of GC-MS test;
根据GC-MS测定分析的结果，决定选纯净水作为本文实验的空白试剂。
Pure water is taken as blank reagent (control) based on the result of GC-MS test;
根据GC-MS测定分析的结果，决定选纯净水作为本文实验的空白试剂。
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