| 1. | Perennial ryegrass throws a lot of autumn growth .
多年生黑麦草在秋季长势很好。 |
| 2. | Potassium manuring may be less critical in continuous grass farming than in ley farming .
在多年生牧草地施用钾肥的迫切性比短期草地要小些。 |
| 3. | Permanent grass has a number of advantages over clean cultivation, the system it superseded .
多年生牧草较之已被其取代的清耕有许多优越性。 |
| 4. | The plough became a rarity on these farms, and the whole of the feeding was based on permanent grass .
在这些牧场里，犁实际上已很少使用了，整个放牧过程都是以多年生草场为基础的。 |
| 5. | We have dealt with the finn for many years
我们和这家公司有多年生意来往。 |
| 6. | We have done business with abc company for many years
我们与abc公司已做了多年生意。 |
| 7. | We have years of experience in the manufacture of machine tools
我们有多年生产机床的经验。 |
| 8. | Description : perennial herb to 60 cm tall , glabrous
形态特徵：多年生草本，高60厘米，全株无毛。 |
| 9. | Our company has a long history to produce and export foodstuff
本公司具有多年生产和出口食品的历史。 |
| 10. | Study on agrobacterium - mediated gus transformation for lolium perenne l
基因对多年生黑麦草转化的研究 |
