| 1. | He began to take down the two sets of films .
他开始把两组底片拿了下来。 |
| 2. | The union of two sets a and b is denoted by aub .
两个集合A和B的并，用AUB表示。 |
| 3. | "columnar" joint blocks are formed by two sets of joints .
“长柱状”节理块是由两组节理组成。 |
| 4. | Presently after, these two set forth and descended to the harbour .
不多一会儿，他们俩就动身下港口去了。 |
| 5. | Obviously, the two sets of policies overlap and can complement each other .
显然，两套政策有互相重复的地方，也可以互相补充。 |
| 6. | The ratio of hospital beds to population is similarly divergent between these two sets of nations .
医院病床与人口的比率在这两类国家之间也同样悬殊。 |
| 7. | Two sets are said to be equivalent if and only if they can be placed in one-to-one correspondence .
当且仅当两个集合中的元素一一对应时，才称它们为等势。 |
| 8. | My heart was beating finely when we two set forth in the cold night upon this dangerous venture .
当我们两个在那寒冷的夜晚冒险出发时，我的心房猛烈地跳动着。 |
| 9. | A superficial glance at the table shows a strong correlation between the two sets of measurements .
粗看一下这张表就可以看出两组测量数据间有密切的相互关系。 |
| 10. | There we found two sets of double tanks waiting for us, lowered by our alert shipmates .
在那里找到了两套专为我们准备的复式空气桶，这是我们机灵的同船水手放下来的。 |
