test at random的意思|示意

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。

In a second test, participants were shown two symbols at random and asked to say which was the larger of the two.

接下来的试验中，实验人员随即选出两个符号问他们哪个更大。

Methods Observing and comparing the morphological change of Radix Achyranthis Bidentatae between bud picked groups and control groups in a random and at regular intervals time test.

方法摘芽后定期进行随机取样，并与对照组进行观察测量比较，追踪牛膝根外部形态的变化。

They sample 2, 000 people at random to test the new drink.

他们随意请来了2,000人来尝试这种新饮料。

Methods We used Symptom Checklist 90(SCL-90) and 16-personality test list proposed by Carter to evaluate 200 anti-terrorism armed policemen and 100 ordinary armed policemen at random.

方法采用症状自评量表（SCL-90）和卡特尔16种人格测试量表随机抽取武警某部反恐分队官兵200名和普通官兵100名进行了调查分析。

Random means that at playback, the test script randomly accesses every record in the datapool once.

Random 是指在回放时，测试脚本每次随机地访问数据池中的每条记录。