Which of the valves listed should be used either in the fully opened or the fully closed position?（）

These are the principles, however formulated, for which all good men and women throughout the world,（）of race or creed, education, social position, or occupation, are standing.

下列哪项不是医学实验室质量控制检测前涉及的过程（）。

下列哪项不是医学实验室质量控制检测前涉及的过程

依据《检验检测机构资质认定评审准则》，检验检测机构应对（）实施控制。

《特种设备检验检测机构管理规定》对检验检测机构的管理与质量管理提出了哪些要求？

Project（71）is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

● Project（71）is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.（71）

质量检测业务由（）委托具有相应资质的检测机构进行检验。

传染病报告病例分为疑似病例、临床诊断病例、实验室确诊病例、病原携带者和阳性检测结果五类。其中阳性检测结果仅限（）填写。

阳性预测值(positive predictive value)