You manipulate a file's group assignment by using the CHGRP (changegroup) command.
您可以使用chgrp(更改组change group)命令来修改文件所属的组。
2
Methods patients were randomly assigned to electrocardiogram ST section changegroup(A) or pure T wave changegroup(B), receiving coronary angiography.
方法按照病人的心电图ST段压低或抬高和单纯T波改变者分为A、B两组，行冠脉造影。
3
Methods After technique, the pathology diagnosis's pathological changegroup armor lump 34 examples, make the comparison with 30 example thyroid gland normal group, carries on the review analysis.