There were three groups including control group, high dose group and low dose group.
设对照组、胃康宁高剂量组、胃康宁低剂量组，灌胃4周。
High NaCl diet did not increase the mean arterial pressure of control group of WKY.
而高盐食物不增高对照组wky鼠的平均动脉压。
The Method of Group-Control for Electronic Ballasting of the High Power Factor;
介绍了整流装置的功率因数的特点，分析了导通角的控制方法。
The Method of Group-Control for Electronic Ballasting of the High Power Factor;
介绍了整流装置的功率因数的特点，分析了导通角的控制方法。
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