In our study, CD4 testing was considered complete once a patient had retrieved the test results.

在我们的研究中，认定CD 4检测完成的标准是患者取走了检测结果。

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The CD4 + test directly measures the abundance of the helper t cell, an of immune cell in the bloodstream distinguishable because they are the only ones that carry the CD4 marker.

CD 4 +试验直接检测辅助型T细胞数量。辅助型T细胞是血流中可分辨的免疫细胞中的一种，因为只有他们才具有CD 4标志物。

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