Men in the Copenhagen study maintained a stable body weight over the two week period — but they were specifically instructed to attempt to do so.
在哥本哈根研究中,男人们在两个星期多内保持了稳定的体重——但他们是被特别指示尝试这样做的。
Regulatory statutes enacted during the 1970's often contained express grants of rulemaking authority, and some of them specifically instructed agencies to proceed by general rule.
70年代期间制定的管理法规常常授予明确的规则制定权,有些法规具体指示行政机关着手一般的规则制定。
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