random contrast test的意思|示意

Method: the research used the random contrast and single-blinded test.

方法：本研究采用随机、对照、单盲临床试验方法。

Objective Evaluating the outcomes of both conventional and modified operative procedures of shunt by random contrast clinical test, establish a better surgical method and reduce complications.

目的通过随机对照临床应用研究，对脑积水脑室-腹腔分流术术式改进前后临床效果作出评价，确立一种手术方法并探讨减少并发症的途径。

Methods: the conditions of the two medicines on controlling premature ventricular beats, improving cardiac function and decreasing case fatality rate were compared by random and contrast test.

方法：采用随机对照试验比较两者对室早的控制、心功能的改善及降低病死率的情况。

In order to test the effect of the senior aerobics on density of menopause womens bone, 40 menopause women were divide at random into a contrast group and an aerobics group.

为了探讨老年有氧健身操锻炼对绝经女性骨密度的影响，将40名绝经女性随机分为对照和有氧健身操组。