| 1. | The subject boasts of an extensive literature .
这门学科的文献极为丰富。 |
| 2. | His interest in this subject gradually decreases .
他对这门学科的兴趣逐渐减退。 |
| 3. | The subject was dormant from 1750 to 1825 .
从1750年到1825年这门学科处于休眠状态。 |
| 4. | He has never received a single lesson on the subject .
这门学科的课他一节也没有听过。 |
| 5. | He was self-taught in mathematics and so matured slowly in that subject .
他是自学数学的，因而在这门学科中成熟缓慢。 |
| 6. | As a scholarly discipline, economics is just two centuries old .
作为学术上的一门学科，经济学已经有了整整二百年的历史。 |
| 7. | Computers are capable of doing extremely complicated work in all branches of learning .
计算机能在各门学科进行极其复杂的工作。 |
| 8. | Floristics is the study of floras, including the preparation of floras .
植物区系学是研究植物区系的一门学科，其中包括编写植物志。 |
| 9. | Kinetics is a subject in which the rate of a reaction is studied as certain parameters are varied .
动力学是研究反应速度随某些参量变化的一门学科。 |
| 10. | This subject had a somewhat vigorous but short-lived burst of activity in the seventeenth century .
这门学科在十七世纪曾经有过相当活跃然而短暂的突进。 |
