| 1. | This marks the end of the cleavage stage of development .
这标志着卵裂发育阶段的结束。 |
| 2. | The analysis of the stages that follow could be continued in the same way .
下面各阶段的分析可以照此办理。 |
| 3. | Failure in this final stage means failure of the whole enterprise .
这一最后阶段的失败意味着整个事业的失败。 |
| 4. | It consists of the gradual progression of one life stage to another .
它包含从一个生命阶段到另一个生命阶段的渐进演变。 |
| 5. | Radical theories examine history and trace a theory of stages of development .
激进理论考察历史，并探索一套发展阶段的理论。 |
| 6. | Is it a universal phenomenon representing a stage prior to galaxy formation ?
它是代表了星系形成前某一阶段的一种宇宙现象吗？ |
| 7. | 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。 |
| 8. | Perhaps at an early stage the solar system consisted of comet-sized objects .
也许，早期阶段的太阳系是由彗星那么大小的天体所构成的。 |
| 9. | The researchers reached their conclusions after conducting a three-stage experiment .
这些研究者在完成三个阶段的实验之后得到他们的结论。 |
| 10. | Characteristically, the strains in the plactic region are much greater than in the elastic region .
很明显，塑性阶段的应变远大于弹性阶段的应变。 |
