| 1. | The situation is analogous to stage i of the demographic transition theory .
这相当于人口过渡论的第一阶段。 |
| 2. | Peat, the first stage in the formation of coal, is a low-rank material .
泥炭是煤形成的第一阶段，是一种低质煤。 |
| 3. | After the two weeks were up, we had concluded the first portion of our studies .
经过两周的时间，我们结束了第一阶段的研究工作。 |
| 4. | Taylor's study began the first phrase in the modern scientific history of magic .
泰勒的研究，开始了对巫术的现代科学研究的第一阶段。 |
| 5. | The first stage in conciliation is to find out where the problem is and what the liabilities are .
调解的第一阶段是找出问题所在并明确责任。 |
| 6. | In stage 3, all continental beds and most of the marine sand of stage 1 have been eroded .
在第三阶段，于第一阶段形成的全部陆相层和大多数海相砂层被浸蚀殆尽。 |
| 7. | This, for the most part, modest array of events constitutes what might be called the first period of optics .
以上所说的基本上是各个事件的朴实的列举，它可谓是光学的第一阶段。 |
| 8. | In stage 1 , the following documents need to be filed
第一阶段提交的文件包括：以 |
| 9. | Study of existing slopes - stage i general review
现存斜坡研究第一阶段概略检讨 |
