他们致力于使这些房屋成为首都第一所被无源之家协会认证的房屋。该协会是伊利诺伊州的一个私立组织，有着最为严格的美国能效标准。
It aims to be the first home in the nation's capital to earn certification from the Passive House Institute, a private Illinois-based group that has the toughest U.S. standards for energy efficiency.
结论：本研究初步修订的护士工作压力源量表具有较好效度和信度。
Conclusion: the primary modification of nurse job stressors questionnaire is reliable and valid for the application in nurse job stress research.
目的：研究工作心理控制源中文译本的信度和效度。
Objective: To study the reliability and validity of the Chinese version of Work Locus of Control Scale (WLCS).
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