test at random

常见例句

双语例句

• 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。
• As a rule, the test samples will be selected at random from a lot.
  根据相关规定，从大量的随机试验样品将被选出。
• The test specimens shall be selected at random from shipment of 5000 bricks or less.
  试验样品可从5000块左右的待运砖当中任意选出。

原声例句

• And testers threw large, inflatable dolls - representing children - in front of the cars at random mements to test the driver's reaction time.

权威例句

• And on that very first test, we just had a set of DNAs plotted at random really.
  NPR: Pioneering DNA Forensics
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