| 1. | In the pines squirrels commonly chew off and drop entire cones .
松树上的松鼠通常咬掉和弄落整个球果。 |
| 2. | As much as 40 percent of unprotected cone-crops have been destroyed .
没有采取措施的球果被损毁的多达40 |
| 3. | A pasty yellow juice instead of a clear one can be squeezed from strobil .
球果压出的是黄色的而不是澄清的浆液。 |
| 4. | Several authors have noted that flower and cone production should curtail wood increment .
几位作者都注意到，花和球果的产生会削弱木材的生长。 |
| 5. | Light to moderate losses of pine and spruce cones are occasionally caused by squirrels .
松树和云杉球果有时会遭到松鼠为害引起轻度或中等程度的损害。 |
| 6. | Serotinous cones would prove to be almost fatal for the population if forest fires ceased for any length of time .
若森林火灾中断任意长的一个时期，那么对种群来说，迟裂球果几乎是毁灭性的。 |
| 7. | The observed clinal variation in the frequency of serotinous cones may be described as a fairly regular decrease in all directions .
所观察到的晚熟球果的频率梯度变异可描述如下：向四周相当有规律地渐次减少。 |
| 8. | For conifers which do not form an abscission layer at the base of the cone, shakers have been partially or completely unsuccessful .
对于球果基部不能形成脱离层的针叶树，摇树机的作用不大，或者完全不起作用。 |
| 9. | The staminate cone of pine is male rather than female
松树雄球果是雄性而非雌性。 |
| 10. | Larch has small cones and needle - like leaves
落叶松长着球果和针形的叶子。 |
