This article describes three cases of the importance of blood pressure and the correct step-down method.
本文通过三个案例介绍了降压的重要性及正确的降压方法。
My experience is "a comprehensive step-down method" for the good treatment.
我的经验是用“综合降压法”治疗为好。
In the light of using top down method in the design of product with CAD, a method of feature design, which chooses proper shape feature as the datum for next design step, is presented.
针对自上而下的计算机辅助机械产品图形设计，提出了适应这种设计思维的特征设计方法，即选择合适的形状特征，作为进一步的详细设计的基准。
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