The recovery ofcirculation and recovery timeofcirculation were recorded in both groups.
观察两组自主循环恢复率及自主循环恢复时间。
2
The circulationofTime magazine has reached eight million.
时代周刊的发行量已经达到了八百万份。
3
And judging from the comments of outraged librarians, it's common for HarperCollins printed volumes to stay in circulation for a very long time indeed.