Tapes to be removed before tests.

胶带需要在实验前去除。

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It is an age before tests turn brutal, when a child's life still shines with potential.

在这个年龄段里，还没有残忍的考试摧残童年，生活因未知的可能而熠熠生辉。

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Students are required to take placement tests before registering.

学生在注册前必须先参加摸底考试。

《柯林斯英汉双解大词典》

This process involves several tests before a person can receive a visa to stay in the United States for the training period.

VOA: special.2009.06.02

Their memory improved significantly, so their intelligence level as taking by tests before and after compared to control group improved significantly after a single week.

他们的记忆力有明显改善，他们的智力水平,在实验前后进行测试，再与对照组相比,在仅仅一周后就有明显改进。

哈佛公开课 - 幸福课课程节选

They use food frequency questionnaires, which I mentioned before, surveys, and then biological markers like blood tests of certain things to see how diet is related to health.

研究员还运用食物频率调查表,我之前曾提到过,各类调查以及生物标志物,像是血液检测等手段,来研究饮食与健康之间的关系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The tusks have been kept submerged to preserve them before tests are carried out by the council's museum service.

BBC: The tusks

Thus, it could be given before tests prove that a patient in the ER does not have a hemorrhagic stroke.

FORBES: Brain Repair

William helped her through trigonometry, teaching her the concepts at lunch before tests so she could forget them immediately afterward.

NEWYORKER: The Proxy Marriage