| 1. | A cow's estrus cycle averages 21 days . 母牛的发情周期平均为21天。 |
| 2. | The trough is the lowest level of the cycle . 谷底是整个周期的最低点。 |
| 3. | Main memory cycle time has bottomed out . 主存贮器的周期已趋饱和。 |
| 4. | He steered his cycle into archway road . 他骑自行车来到阿奇维路。 |
| 5. | The life cycle is summarized in table 16 . 其生命周期摘要见表16。 |
| 6. | Find the expected life of the part in cycles . 求零件的预期寿命的循环数。 |
| 7. | A tree is a connected graph with no cycles . 一个树是一个没有圈的连通图。 |
| 8. | Every business cycle is unique . 每次商业周期各有自己的特点。 |
| 9. | Their productive cycle covers several decades . 它们的生产周期可延续几十年。 |
| 10. | The life cycle of neurospora is shown in fig1. 1 . 图11概括了链孢霉的生活史。 |