| 1. | The orchard is surrounded by spruce forest .
该种子园四周有云杉林环绕。 |
| 2. | Orchard programmes need continuous detailed attention .
种子园工作要求持续和细心料理。 |
| 3. | In conifer orchards new stumps should be removed .
在针叶树的种子园，新的伐桩应予除掉。 |
| 4. | They have found areas suitable for seed orchard purposes .
他们找到了适于营建种子园的地区。 |
| 5. | The immediate orchard boundary should consist of a fire-break .
紧靠种子园边界应设有防火线。 |
| 6. | In 1954 the first experimental seed orchards were planted .
到1954年，第一批实验性种子园建立起来了。 |
| 7. | In several respects they are also relevant to seedling orchards .
在某些方面它们也涉及到实生种子园。 |
| 8. | Mammals damage orchards on every continent by girdling roots .
哺乳动物在各地对种子园的危害是咬断根系。 |
| 9. | Orchard managers must have a detailed knowledge of its safe use .
种子园管理领导必须对其安全使用要有详尽的了解。 |
| 10. | Seed orchards should not be established on sites which are seriously susceptible .
种子园不应设在易受严重影响的地方。 |
