You can use the -p option to preserve the ownership, permissions, and times for each file and directory you copy: $ cp -pr source destination.

可以使用-p选项保留复制的每个文件和目录的所有者、权限和时间：$cp -pr source destination。

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The PSQI scores of CP-patients were lower than those of PR-patients after treatment(P<0.01).

综合组治疗后的PSQI评分显著低于放松组（P<0.01）。

youdao

The PSQI scores of CP-patients were lower than those of PR-patients after treatment(P<0.01).

综合组治疗后的PSQI评分显著低于放松组（P<0.01）。

youdao