| 1. | He began to take down the two sets of films .
他开始把两组底片拿了下来。 |
| 2. | "columnar" joint blocks are formed by two sets of joints .
“长柱状”节理块是由两组节理组成。 |
| 3. | The two debating teams argued the question pro and con .
辩论的两组从赞成与反对两方面辩这一问题。 |
| 4. | The two groups of walkers joined up for the rest of the holiday .
两组步行度假者会合一起度过剩下的假期。 |
| 5. | In either case, one need not bother to calculate both sets of coefficients .
在这两种情况中，都不必费神去计算两组系数。 |
| 6. | The two groups lived at home, were healthy, and were similar in size and weight .
这两组人都是住在家里的健康人，高矮和体重也都相仿。 |
| 7. | 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。 |
| 8. | One way to simplify the problem is to divide the electrons into two groups: the 36 core electrons, and the two 4s valence electrons .
简化此问题的一个方法是把电子分成两组：36个原子实电子和2个4s价电子。 |
| 9. | Classically, the vitamins have been divided into two groups based upon their solubilities in either fats and fat solvents or in water .
传统上，根据维生素溶解于脂肪和脂肪溶剂或溶解于水的溶解性分为两组。 |
| 10. | Compares the contents of two files or sets of files
比较两个或两组文件的内容。 |
