| 1. | let us suppose that with n objects and only wish to arrange a row of r of them. (r≤n).
我们考虑从几个元素中只取r个（rn）排列一行的情形。 |
| 2. | No . we assign only one rn number per company
不可以。一家公司只可以有一个rn代码。 |
| 3. | Multi - solution of semilinear elliptic equation on rn
全空间上半线性椭圆方程的多解性 |
| 4. | Rn or lpn administers medication to patient
正职护士或lpn对病患的药物管理 |
| 5. | How long does it take to get an rn number
多长时间就可以得到rn代码？ |
| 6. | The ranking of every branch rn sees in table 4 - 6 in detail
各分资源位指数排序详见表4 - 6 。 |
| 7. | Your rn is subject to cancellation if you fail to do so
如果及时更新，您的rn代码就会取消。 |
| 8. | Can i have more than one rn number
一家公司可以拥有多个rn代码吗？ |
| 9. | Your new tortoise may have had rns and may now be a carrier
你的新龟可能患有rns或者携带细菌。 |
| 10. | Positive solutions of some semilinear elliptic equations in rn
半空间上一类半线性椭圆方程的正解 |
