• 1. needs test: 经济情况调查
• 2. economic needs test: 经济需求测试

• 1.Users make use of the product, according to their own needs test should be used to determine the optimum amount of fire retardant products to achieve the objective.
  用户使用本产品前，应根据自己的需要试验确定最佳使用量，以达到产品阻燃的目的。
  dict.yoduao.com
• 2.It needs a taste test. Yum.
  要测一下它的味道。棒极了。
  dict.yoduao.com
• 3.After this test we can calculate: It takes 40 minutes to braise a chook by a normal boiler, but it only needs 15 minutes by the flameout reboiler.
  通过这个实验我们来算一算：采用普通锅炖鸡需要花费40分钟，而熄火再煮锅只需15分钟。
  dict.yoduao.com

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