The experiments of kit's sensitivity, specificity and expiration date were done.

然后对试剂盒的敏感性、特异性和有效期进行了研究。

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Scarlet fever specificity diagnosis experiment bacteriology inspection: Swallows the cotton swab or other infection secretion raise may have the date hemolytic chain coccus growth.

猩红热特异性诊断试验细菌学检查：咽拭子或其他病灶分泌物培养可有日型溶血性链球菌生长。

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Included in the identification specificity, a person could vote with a student ID that has an expiration date.

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