| 1. | This is similar to fluorimetry as previously discussed . 它类似于前面讨论过的荧光测定法。 |
| 2. | The subjacent and lateral strata previously have been compacted . 下卧层和旁侧层先已压实。 |
| 3. | But nobody had previously worked out a theory about magnetism . 但还从未有人研究出磁学理论。 |
| 4. | Astronomers had not previously needed to devise such a mechanism . 天文学家无需急于去探寻这种机理。 |
| 5. | Prices were previously expected to be constant at the old level . 以前价格预期在旧的水平上保持不变。 |
| 6. | Lord placed the report on a pile of others previously reviewed . 洛德把这份报告同已经审查过的放到一起。 |
| 7. | We should rework the meterials that were previously unprofitable . 我们应对过去没有利用的原材料重新研究。 |
| 8. | The resources previously committed might have been committed in vain . 先前所投入的人力物力可能会付诸东流。 |
| 9. | The arrows are directed in accordance with the previously explained rules . 根据前面所说的规律定出了箭头的方向。 |
| 10. | The output for the problem previously conducted numerically will now be given . 下面给出前面用数值所处理的问题的输出。 |