| 1. | Indeed, we have covered a great deal of ground .
我们的确涉及到了广泛的基础知识。 |
| 2. | You must understand the elements of mathematics before we can proceed further .
你必须先弄懂数学基础知识，我们才能进一步学习。 |
| 3. | Chemical engineers have considerable background that is applicable to water pollution problems .
化学工程技术人员具有相当多的适用于解决水污染问题的基础知识。 |
| 4. | It is written for readers with a background knowledge of mathematics and statistics at the undergraduate level .
本书是为具有大学数学与统计学基础知识的读者而写的。 |
| 5. | The reader is urged to refer to one or more of these for general background on the subject and its application to cracks .
阅读其中一本或几本会帮助读者了解其基础知识及其在裂纹上的应用。 |
| 6. | The petroleum exploration geologist working with subsurface channel sandstone must have a background knowledge of geomorphology .
和地下的水道砂岩打交道的石油地质工作者，必须具备地貌学方面的基础知识。 |
| 7. | Thus at once gaining the means of maintaining himself at the seat of learning, and fixing in his mind the elements of what he had already obtained .
这样，他一方面固然使自己的学习生活不致中断，而且还巩固了已学到的基础知识。 |
| 8. | It has been the responsibility of the engineers to synthesize this basic knowledge into practical systems of wastewater treatment that are effective and economical .
工程师们的任务就是把上述基础知识综合运用到经济有效的实际废水处理系统中去。 |
| 9. | Learning about history to learn from history
学习历史向历史学习历史学习基础知识 |
| 10. | Provides fundamentals of the grid architecture
介绍了网格体系架构的基础知识。 |
