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。
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。
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。
Inestigators assessing the negative outcomes were not blinded to group assignment. 调查者没有盲目的按照分配组评估阴性结果。
If no validation group is specified, the default group, which consists of all validators without an explicit group assignment, is validated. 如果未指定验证组,则会验证默认组,默认组由所有没有显式分配组的验证程序组成。