| 1. | The above reaction is called second-order reaction . 上述反应称为二级反应。 |
| 2. | Sludge liquor is recirculated in the secondary system . 污泥水回流到二级处理系统。 |
| 3. | Then the second stage is fired . 然后第二级点火。 |
| 4. | The ship rates as second . 这船列入二级。 |
| 5. | Here we carry out computations up to the second degree only . 在这里,我们只把计算进行到第二级近似为止。 |
| 6. | This diode produces about nine times more radiant power than that one . 这只二级管的耗散功率比那只大8倍。 |
| 7. | In this chapter we confine our attention to the second-order waves . 在本章中,我们的注意力只集中于二级波。 |
| 8. | The problem of laser diode degradation was particularly troublesome . 激光二级管的退化是一个特别麻烦的问题。 |
| 9. | It is possible to use a plutonium foil as a filter to remove the second-order contamination . 可用钚箔作为过滤器消除二级干扰。 |
| 10. | The v-2 pushed the two-stage rocket to an altitude of 20 miles and then broke away . V2将第二级火箭推到20英里的高度,然后脱落。 |