| 1. | He was of no use at all in the business .
他在业务上一点用场也没有。 |
| 2. | We can use at most nine words in this code .
在这个电码系统中我们最多可用9个字。 |
| 3. | Two-stage chromate reduction has been used at several plants .
一些厂已采用两段铬酸盐还原法。 |
| 4. | These are used at a later stage for investment in under-developed areas of countries .
这些将在以后用于对某些国家落后地区的投资。 |
| 5. | 1 hz horizontal and 4hz vertical transducers are used at many stations as supplements .
1赫兹的水平向变换器和4赫兹的垂直向变换器也当作附件用于许多台站。 |
| 6. | It has performed reliably when used at very high retentions in full-cell impregnation processes .
当用满细胞法使它具有很高的保持量时，它的使用是很可靠的。 |
| 7. | The term is used at various localities in north africa, includes beds ranging from carboniferous to early cretaceous .
在北非不同的地方使用这个名称，包括从石炭纪到早白垩纪的地层。 |
| 8. | A complete these sentences using at , on or in
完成以下句子，用适当的介词填空。 |
| 9. | Thin magnetic steel strip for use at medium frequencies
中频下使用的磁性薄钢带 |
| 10. | Gets or sets the input mask to use at run time
获取或设置运行时使用的输入掩码。 |
