Keep file names short by using common abbreviations, such as "MTG" for meeting or "ACTG" for accounting.

使用常见缩写的方式令文件名简短，比如用“MTG”表示会议或“ACTG”表示会计。

The ACTG adherence questionnaire and urine colour test had the highest sensitivities but lowest specificities.

ACTG依从性问卷和尿颜色试验的敏感性最高，但特异性最低。

The paper analyzed the experimental data in Study 193A of Aids Clinical Trail Group(ACTG) through DEA methods.

采用DEA方法，对艾滋病医疗试验机构（ACTG）研究项目193A的数据进行分析。