The test technician should be the main body of crime-scene investigators, and pay attention to collect the relevant evidences.

对该类案件的现场勘查应以化验技术人员为主，注意收集相关证据。

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A laboratory technician performs the required test on the sample and prepares the test results.

实验室技术人员对样本进行必要的测试并准备测试结果。

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For example, the lab technician should only prepare test results and should not be able to write the test report.

例如，实验室研究人员只负责准备试验结果，而无权编写测试报告。

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If you are unable to do the treadmill test, the technician will instead inject you with a chemical that will elevate your heart rate without physical exertion.

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An ultrasound technician was conducting the test as the audience saw real-time images of the fetus on the large screen.

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When a lab is ready to run a test, months or years later, a technician retrieves the plate from storage, then simply pops out one or more of the wells.

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