1. Clearing a surround to the orchard, will significantly reduce background pollination to very low levels.
在种子园周围只要清除出一条隔离带,便可显著地使外来传粉减到最低水平。

-- 来源 -- 英汉 - 辞典例句

2. Use of controlled pollination is generally confined to various types of research.
控制授粉的应用,一般只限于干不同的研究工作。

-- 来源 -- 英汉 - 辞典例句

3. It is obvious that the amount of background pollination will reflect the size of any local source.
显然外来传粉的数量可以反映当地花粉源的大

-- 来源 -- 英汉 - 辞典例句

4. Early archegonial development is already evident two weeks after pollination.
颈卵器的早期发育在授粉后两周内就业已明显。

-- 来源 -- 英汉 - 辞典例句

5. It seems that pollination also involves certain chance factors.
似乎传粉还包含有某种偶然因素。

-- 来源 -- 英汉 - 辞典例句

6. They damage female strobili during the interval between pollination and fertilization.
在传粉与受精的间隔期间,他们毁坏了雌球花。

-- 来源 -- 英汉 - 辞典例句

7. Pollination is the mechanical transfer of pollen from the anthers to the sti gmas.
授粉是机械地把花药里的花粉传送到柱头上去。

-- 来源 -- 英汉 - 辞典例句

8. The position of female inflorescences of trees in peripheral parts of the crown may also augment the probability of pollination.
乔木的雌花花序在树冠外层的位置也能增加授粉的机会。

-- 来源 -- 英汉 - 辞典例句

9. The difference should be discernible in the time of flowering and pollination in orchards.
在种子园的开花和传粉时,可以看出这一差异。

-- 来源 -- 英汉 - 辞典例句

10. hand pollination
人工授粉

-- 来源 -- 英汉 - 短句参考