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viviparous中文是什么意思

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用"viviparous"造句"viviparous"怎么读"viviparous" in a sentence"viviparous"的同义词

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  • adj.
    1.【动物;动物学】胎生的。
    2.【植物;植物学】(种子)在母株上发芽的,母体萌芽的。

例句与用法

  • When the viviparous plantlet abscises , there are 1 - 3 leaflets on it
    此外,珍珠虎耳草还可通过无性系分株来进行繁殖。
  • Alate viviparous female
    有翅胎生蚜
  • Consideration on developing preharvest sprouting resistant rice male sterile line by expressing antisense rna of viviparous
    1基因培育水稻抗穗萌雄性不育系的设想
  • This kind of viviparous reproduction allows rapid growth and establishment of mangrove seedlings once they come into contact with the substratum
    这种胎生繁殖方法可增加红树在潮水涨退和不稳定泥土的环境里之生存机会
  • The traits showed when the viviparous plantlets abscise and disperse that the dispersing behavior for the viviparous plantlets is adaptable to the special environment
    胎生苗在脱落与散布时表现出的特点说明:胎生苗的扩散行为是与其特殊的环境条件相适应的。
  • From lower to higher elevation , the capability for plant to produce ramet increases , the height of ramet decreases , the number of viviparous plantlets produced by genet increases , and the leaf number < wp = 6 > produced by the viviparous plantlets increased
    随着海拔的升高,植株的高度逐渐变矮,母体产生胎生苗的数目增加,胎生苗脱落时产生叶片的数目增加。
  • 5 、 in respect of behavioral ecology , both species can reproduce by way of forming viviparous plantlets . and it is a conversation from heterotrophy to semi - heterotrophy for the process of viviparous plantlets " formation and morphochoresis
    5 、从行为生态学的角度来看,两种植物均以通过产生胎生苗进行繁殖,胎生苗在发生及形态建成过程中,是从异养向半异养转变。
  • And the viviparous plantlets of both species are formed for the differentiation of floral primodium , but the position if viviparous plantlets is different . for the species of polygonum viviparum l . , the viviparous plantlets are formed in the inflorences , while in saxifraga cernua l are in the leaf axils . on the results of observation for morphology and anatomy , vascular bundles of viviparous plantlet are connected with that of their parent
    从来源和性质看,二者的胎生苗均由花原基直接分化形成;但从位置上看,珠芽蓼在花序中形成胎生苗,而珍珠虎耳草则在地上茎的叶腋部位形成胎生苗;从形态解剖角度观察,胎生苗的维管束与母体的维管束直接相连,胎生苗脱落时,其上已长出叶片1 - 3枚。
  • With the increase of substrate salinity , the accumulated sodium and chloride increased . as a result , all tissues had considerablly lower osmotic potentials than that of the solution on which they were grown at 60 day after planting . changes in length , dry weight , water content , ion concentrations , osomotic potential , ion content of hypocotyls during culture indicated that viviparous hypocotyls not only afforded nutrition for seedling growth , but also reserved ions , thus charged the balance of ion concentration and osmotic potential of the seedling
    盐胁迫下幼苗单株叶面积下降的程度大于光合速率的降低,叶面积的减小是导致减产的主要原因;木榄幼苗各组分中的离子浓度以及含量随栽培时间而变化;栽培初期刚萌根时,幼苗原胚轴中的离子渗漏到培养液中;此后随着根系的发育以及芽的生长,幼苗转为从培养液中吸收离子,并以吸收na 、 cl离子为主。
  • Before the formation of leaves , the nutrition for the development of viviparous plantlet is supplied by its parent , which is a kind of typical foraging behavior . but as to parents , it is a kind of parental breeding behavior and altruism . when talking about heredity and fitness , such a kind of altruism is a sort of egoism too
    在胎生苗叶片产生以前,它的营养全部由母体提供,属于全异养阶段,这是一种典型的觅源行为;从母体的角度来看,这又属于一种亲代哺育行为与利他行为;而从遗传与适合度的角度考虑,母体的这种利他行为同时也是一种利己行为。
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