世代交替
- 與 世代交替 相關(guān)的網(wǎng)絡(luò)例句 [注:此內(nèi)容來源于網(wǎng)絡(luò)婷婷综合热,僅供參考]
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Plants also differ from fungi in having a regular alternation of diploid and haploid generations.
植物與真菌的區(qū)別還在于植物具有規(guī)律性的世代交替毛级黄片视频XXXX。
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Alternation of sexual and parthenogenic generations, as in some aphids.
世代交替雙性與單性生殖交替進行,如一些蚜蟲中
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In plants and algae that undergo alternation of generations, a gametophyte is the multicellular structure, or phase, that is haploid, containing a single set of chromosomes, and has its own information on genetic expression.
在植物世代交替的生活史中福利写真国产短片视频,配子體是產(chǎn)生配子和具有單倍數(shù)染色體的植物體国产黄色小网站,并且有自己的遺傳表達信息。
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Diplobiontic Describing life cycles showing a typical alternation of generations with haploid and diploid somatic bodies.
異型世代:具有典型的單倍體和二倍體世代交替的生活史的現(xiàn)象日韩精品少妇寂寞视频在线观看网站。
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Access to a large number of Chinese and foreign literatures, this text summarized the life cycle of aphids including anholocyclic type, heteroecious holocyclic type and antoecious holocyclic type, and the important biological characteristics including alternation of generations, difference of hibernation and polymorphism, it offered the theory basic of comprehensive prevention and control.
通過查閱大量的中外文獻男女高潮无遮挡在线观看动漫,對蚜蟲生活周期的不全周期生活史、全周期同寄主生活史和全周期異寄主生活史進行了闡述国产精品免费你懂的,歸納出蚜蟲生活周期中的世代交替亚洲免线视频、越冬方式的差異、多型現(xiàn)象幾個主要生物學(xué)特點偷拍妹子综合网,為蚜蟲的科學(xué)控制提供一定的參考價值激情第一第二综合天天。
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Alternation of generations can be divided into two basic types, one for the same shape alternation of generations, the sporophyte and the gametophyte in the morphology similar size, only cytology and physiology are different, such as Ulva, etc.; another type of shape alternation of generations, that is, in the sporophyte and gametophyte morphology and size are also significant differences.
世代交替又可分為兩種基本類型,一為同形世代交替东北女人乱子视频,即孢子體和配子體在形態(tài)大小上類似杭州最疯狂一级毛片视频,僅在細胞學(xué)上和生理上有所不同,如石莼等国产一区二区三区手机在线观看;另一類型為異形世代交替操我视频,即孢子體和配子體在形態(tài)結(jié)構(gòu)和大小上也有明顯差異。
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In plants that undergo ALTERNATION OF GENERATIONS, spores are produced by meiosis by the sporophyte generation, so are usually haploid; they germinate to produce the haploid gametophyte generation.
在具有世代交替的植物體中熟女激情视频,由孢子體世代進行減數(shù)分裂產(chǎn)生孢子又大又湿免费视频,因此多為單倍體。它們將發(fā)育為單倍體的配子體世代中文字幕欧美精品人妻一丘。
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In organisms showing ALTERNATION OF GENERATIONS, the gametes may be produced by mitosis in the haploid generation, or by meiosis in the diploid generation and give rise directly to gametes or gamete-producing cells.
在表現(xiàn)出明顯世代交替的生物體中性黑人大战欧美视频免费看,配子可能是由單倍體世代發(fā)生有絲分裂產(chǎn)生,亦可由二倍體世代減數(shù)分裂直接產(chǎn)生配子體或配子母細胞真人黄色网。
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The giant jellyfish exhibit two types of reproduction, one is asexual reproduction, including fertilized eggs, planula, scyphistoma, podocyst, strobila and ephyra; the other is sexual reproduction, including medusa or jellyfish, typically solitary, pelagic.
大型水母的生活史中有明顯的世代交替現(xiàn)象狠狠干天天碰天天色,受精卵,浮浪幼蟲AV免费在线www,螅狀體无卡无码无免费播放毛片,足囊,橫裂體到碟狀體的幼體發(fā)育階段屬無性世代国产乱伦黄片,幼蜇發(fā)育到成蜇階段屬有性世代手机在线黄色视频。
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Which are divided into sporophyte developed special-shaped generational and generational shaped gametophytes developed.
其中又分為孢子體發(fā)達的異形世代交替和配子體發(fā)達的異形世代交替。
- 推薦網(wǎng)絡(luò)例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而正在播放国产精品,正如其名字所指出的那樣忍住就让你无套精品国产,CD盤不能寫,也不能用任何方式改變其內(nèi)容欧美中文字幕日韩综合四季。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
鍍鋅鋼托盤多用于出口未满十八禁止进入,替代木托盤亚洲特黄av,免薰蒸,符合歐盟国产精品色在线播放、北美各國對出口貨物包裝材料的法令要求高清无码视频免费观看;噴涂鋼托盤適用于重載上貨架之用,托盤表面根據(jù)需要制作成平板狀日韩欧美精品视频在线观看_、波紋狀及間隔形式黄色网址免,滿足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可從您的 ERP 系統(tǒng)上傳到我們的電子銀行系統(tǒng)來只是國內(nèi)及對海外各種幣種付款免费黄色免费。