You manipulate a file's group assignment by using the CHGRP (change group) command.
您可以使用chgrp(更改组changegroup)命令来修改文件所属的组。
Assignments for this course consist of two individual assignments and one group assignment.
本课作业包括两个个人作业以及一个小组作业。
Investigators were not blinded to the study group assignment, but caregivers responsible for the infants' care and for feeding protocol performance were not part of the investigation.
研究者知晓研究分组情况，但负责婴儿护理和喂养的人员不参与研究。
Investigators were not blinded to the study group assignment, but caregivers responsible for the infants' care and for feeding protocol performance were not part of the investigation.
研究者知晓研究分组情况，但负责婴儿护理和喂养的人员不参与研究。
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