Swine flu can only be confirmed by a lab test.

猪流感只能通过实验室测试来确诊。

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Cytogenetic analysis is a lab test to examine the chromosomes of the ALL-blast cells.

细胞遗传学分析是一种用来检查ALL原始细胞的染色体的实验室检测方法。

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Doctors may not tell the anxious patients the slightly abnormal results of a lab test, if it has no impact on the patient's health.

如果检查结果对病人的健康没有影响的话，医生们可能不会把略有异常的实验室检查结果告诉给焦虑的病人。

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Sugar can be measured in the urine through a lab test commonly called a urinalysis.

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Fuel economy estimates are determined by a lab test that automakers are required to perform on their vehicles.

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False positives on steroid tests are not unheard of, which is why cycling officials insist that any positive be confirmed by a second test by a lab approved by the World Anti-Doping Agency.

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