| 1. | The player stared at the board in a dazed way .
投环的人目瞪口呆地盯住木板看。 |
| 2. | This control may be closed loop or open loop .
控制可以是开环的也可以是闭环的。 |
| 3. | The inner surface of the hoop has rubber grips or steel cleats .
环的内侧有橡皮抓子或钢楔子。 |
| 4. | The histology of the main nerve rings has been described in detail .
主要神经环的组织原已有详细描述。 |
| 5. | It represents an example of a heterocycle being formed as transient species .
它仍然是在反应中生成过渡状态的杂环的实例。 |
| 6. | it constitutes a presheaf of ring on the basis of open sets. (xf)fa .
这构成了开集基（Xf）fA上的环的予层。 |
| 7. | All steroids contain a skeleton of 17 carbon atoms organized into four rings .
所有的类固醇都含有排列成四个环的17个碳原子的骨架。 |
| 8. | The tendency of a ring compound to polymerize depends upon the extent of ring strain .
环状化合物的聚合倾向，取决于环的张力大小。 |
| 9. | In each case an integral number of wavelengths fit into the circumference of the loop .
在各种情形下，环的周长都等于波长的整数倍。 |
| 10. | A biradical chain has almost no possibility to overcome this barrier of 6-ring formation .
双基链几乎没有可能克服形成6环的这种阻碍。 |
