| 1. | O ! the huanghe ( river ) , cradle of the chinese nation .
啊！ |
| 2. | Gaskets and o rings are made of elastomers .
密封垫和O型环是由人造橡胶制成的。 |
| 3. | We call o the additive identity .
我们称O为加性单位元素。 |
| 4. | The operator o is the null operator .
算符O是零算符。 |
| 5. | Let us draw the circle with center at o and radius equal to a .
我们以点O为圆心，以a为半径，作圆。 |
| 6. | The subscript o and w identify the unweathered and weathered states .
下标O和W分别表示属于未风化和已风化的状态。 |
| 7. | Mohr's circle is required for any oblique plane passing through the point o .
需要对通过点O的任意斜截面绘制莫尔图。 |
| 8. | Starting from point o a ball is pushed up the suceessively higher ramps .
从O点出发，把一个球推上一个比一个高的斜坡。 |
| 9. | We should look like spectres, and despair would have taken possession of o us hearts .
我们看上去像鬼，而且绝望占据了我们的心灵。 |
| 10. | One case of particular importance corresponds d=o, i.e. the two lenses are in contact .
一个特别重要的情况是do，即两个透镜相接触。 |
