中文字幕精品视频在线|中文字幕在线观看|亚洲v日本v欧美v在线播放|伊人网中文字幕

<nav id="3u6n6"></nav><samp id="3u6n6"><tr id="3u6n6"><track id="3u6n6"></track></tr></samp>
    <legend id="3u6n6"><fieldset id="3u6n6"></fieldset></legend>

      
      

    1. 首頁英語詞典pollinationpollination實用場景例句

      pollination

      英 美['pɑl?ne??n]
      • n. [農(nóng)學] 授粉(作用)

      實用場景例句


      The flowers get pollination by insects.
      這些花通過昆蟲授粉。

      辭典例句

      Early archegonial development is already evident two weeks after pollination.
      頸卵器的早期發(fā)育在授粉后兩周內(nèi)就業(yè)已明顯.

      辭典例句

      They damage female strobili during the interval between pollination and fertilization.
      在傳粉與受精的間隔期間,他們毀壞了雌球花.

      辭典例句

      Self - pollination, and subsequently self - fertilisation, in orchards always takes place to some extent.
      在種子園中,常常有某種程度的自花傳粉和隨后地自花授精.

      辭典例句

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

      辭典例句

      Self - pollination, and subsequently self - fertilization, in orchards always takes place to some extent.
      在果園中,常常有某種程度的自花傳粉和隨后地自花授精.

      辭典例句

      Supplemental mass - pollination can substantially increase the seed yields in many cases.
      在許多情況中,輔助混合授粉實際上可以提高種子產(chǎn)量.

      辭典例句

      This eliminates the possibility of self - pollination.
      這減少出現(xiàn)自花授粉的可能性.

      辭典例句

      It'seems that pollination also involves certain chance factors.
      似乎傳粉還包含有某種偶然因素.

      辭典例句

      They were maintained by normal self - pollination.
      它們保持正常的自花授粉繁殖.

      辭典例句

      The difference should be discernible in the time of flowering and pollination in orchards.
      在種子園的開花和傳粉時,可以看出這一差異.

      辭典例句

      Pollination is the mechanical transfer of pollen from the anthers to the sti gmas.
      授粉是機械地把花藥里的花粉傳送到柱頭上去.

      辭典例句

      Clearing a surround to the orchard, will significantly reduce background pollination to very low levels.
      在種子園周圍只要清除出一條隔離帶, 便可顯著地使外來傳粉減到最低水平.

      辭典例句

      Fruits and embryos were obtained by self - pollination of Avignon and Lilium brownii.
      俄維農(nóng)自交和野百合自交可以獲得自交果實和自交胚.

      互聯(lián)網(wǎng)

      It helps to promote cross - pollination and is often combined with self - incompatibility.
      這種現(xiàn)象在許多特化的 蟲媒花 中較常見,尤其是通過蜜蜂傳粉的花.

      互聯(lián)網(wǎng)