“pollen grain”造句,怎麼用pollen grain造句
In present work, the development of anther, formation of pollen grain and development of ovule and formation of embryo sac in Ramie were observed.
pollen grains germinate directly on the stigma
Their sterility showed no pollen grains, anther could not been shed, anther couldn't shed pollen.
Both the pollen grains and the gynoecia are active.
The results from the pollen densitometers indicate the number of pollen grains sucked into a device per square millimeter of the aperture.
The innermost wall of a spore or pollen grain.
The probability of any air-borne pollen grain impacting a female strobilus is in any case very small.
It has been magnified 115 times, but it contains long hairs such as cat fur, twisted synthetic and woollen fibres, a pollen grain, plant and insects.
2) The incidence of pollen grains abortion is 40.48±2.33%.
In 1827, upon observing a suspension of pollen grains in water, he discovered BROWNIAN MOTION.
It consists of an air-filled protuberance on each side of the pollen grain developed by the separation of the exine layers, giving the pollen a characteristic winged appearance.
The mean number of pollen grains per stigma is 8—12 Most of the pollen grains are from self pollination. The pollen vigour is strong in the pollinating period.
Each lobe contains two pollen sacs that produce very large quantities of small pollen grains.
A microscopic fossil, as of a pollen grain or unicellular organism.
-
“視頻比特率”造句,怎麼用視頻比特率造句
1、圖6顯示了視頻比特率、幀速、視頻大小和高寬比的視頻設置項。2、對文件大小的貢獻,按重要*的順序,依次是視頻比特率、音頻採樣頻率、音頻比特率,然後是幀速。3、它能實現視頻比特率的情況下,選擇高在設置。4、若要設置最大的視頻比特率(-maxratebitrate),則會需要...
-
“你還愛他”造句,怎麼用你還愛他造句
1、首先你還愛他嗎?2、我也懂,你還愛他。3、你還愛他嗎早不愛了那你為什麼哭了。4、“你還愛他嗎”“早不愛了”“那你為什麼哭了”。5、你還愛他麼,即使他那樣將你遺忘,那樣對你不屑一顧,你還是一樣愛他包容他麼,。6、菇涼,他不愛你,不在乎你,不心疼你,不哄你,你還愛他做...
-
“靈壽”造句,怎麼用靈壽造句
1、大眼睛瘦臉龐,看到精靈壽命長。2、靈壽有眾多的人文古蹟和自然景觀。3、韓宗文,北宋,原籍靈壽今屬河北。4、鸞鳥自歌,鳳鳥自儛,靈壽實華,草木所聚。5、曾率兵攻取中山,因功被封在靈壽,樂羊死後,葬於靈壽,從此樂氏子孫便世代定居在這裏。6、河北靈壽縣*局被指以假拘留...
-
“異表”造句,怎麼用異表造句
1、目的應用抑制*消減雜交技術構建人腎癌差異表達基因文庫並進行差異表達基因篩選。2、結果高惡*度膠質瘤的差異表達基因數多,而低惡*度膠質瘤的差異表達基因數少。3、其主要差異表現在:尺寸大小。4、她們的優異表現讓我和媽媽讚歎不已。5、選擇腫瘤細胞特異表達...
相關文章
- Hard-workingMakingPeopleLiveLonger努力工作使人長壽Scientistsfin...
- Feelinglonelyhasabiggerinfluenceonolderpeople’slifeexpe...
- Pollutedairborneparticles(大氣懸浮顆粒)kill7millionpeopleayea...
- AfamilyinGuelph,Ontarioisspendingayearliving“in1986”...
- —About20millionpeopleintheworldhavenoenoughsafedrinking...
- 完形填空。Agoodmemoryisagreathelpinlearningalanguage.Everybo...
- 完型填空12 Agoodmemoryisagreathelpinlearningalanguage.Ever...
- 閲讀理解I’mrallygoodatsellingthings.Ialsolovehelpingpeople...
- Homeworkwillnotbeaconcernforpupilsattendingapioneeringn...
- Lackofmotivationdragspeopledownintheirlanguagelearninga...