Should you want to reverse the order of sorting, use the -r option.
如果您想倒转排序的次序，则应当使用- r选项。
Adding -r will reverse the sort order.
添加- r将反向排序。
This paper deals with the principle of reverse osmosis r.
介绍了逆渗透技术的原理及半透膜的种类和结构。
O. unit and then fed into the 2nd stage Reverse Osmosis r.
然后被送进第二段逆向渗透装置R。
O. unit and then fed into the 2nd stage Reverse Osmosis r.
然后被送进第二段逆向渗透装置R。
应用推荐