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发育完全的

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Apomixes is comparable to the conditions of apogamy and apospory, which are seen in many ferns.

在这个过程中珠心的二倍体细胞发育为胚胎,二倍体种子的遗传组成与亲本完全相同。

The results showed that: Base on the observation results of paraffin slice up, the progress of male and female flower development can be divided into five stages, including: fist, flower primordium, namely asexuality stage; second, hermaphroditic stage; third, single flower at early stage; fourth, widen of stamen primordial and enlarge of pistil primordial; fifth, microspore stage of male flower and grown up of female flower.

试验结果表明:据石蜡切片的观察结果,把苦瓜雌、雄花的发育进程分为5个时期:第一个时期为花原基期即无性期,第二个时期为两性期,第三个时期为单性花初成期,第四个时期雄花为雄蕊原基膨大期、雌花为子房膨大期,第五个时期雄花为花粉粒形成期、雌花为完全成熟。

Subsequently, the tapetum cell began to disorganize, and it kept the strongest Ca^2+ fluorescence intensity from microspore to pollen maturity until the tapetum was disappeared completely.

在花药壁组织内Ca^2+分布也呈现规律性的变化:造孢组织时期,花药壁组织Ca^2+荧光强度在不同壁层组织中分布均匀;小孢子母细胞时期,药壁中层细胞Ca^2+荧光最强,绒毡层细胞次之;单核小孢子时期,绒毡层细胞呈解体状态,Ca^2+荧光最强,并保持到二核花粉时期直至绒毡层完全消失,但此时花药纤维层发育形成,表现出较强的Ca^2+荧光。

Results indicated that, just like the homologous sperm of summer flounder, the cryopreservative sperm of Lateolabrax japonicas could induce diploid gynogenesis of summer flounder.

实验表明:犬齿牙鲆同源精子经80 mJ/cm2 的紫外线照射可以完全失活,冻存花鲈精子经紫外线照射后也同样具有诱导犬齿牙鲆雌核发育的能力。

In this study, Xenopus laevis were exposed to Aroclor 1254 at doses 0, 400ngL^(-1, 2μgL^(-1), l0μgL^(-1), 20μgL^(-1) from oosperm to completed metamorphosis. The effects of Aroclor 1254 on metamorphic development of X.

为了研究多氯联苯(Aroclor 1254)对非洲爪蟾变态发育的影响,将非洲爪蟾受精卵暴露在一定浓度0、400ngL^(-1、2μgL^(-1)、10μgL^(-1),低于20μgL^(-1)的Aroclor 1254中,直至完全变态。

Lastly,grad of high school, they are a child after all. Just grow up,the body still develop, and they are curious full in gender, even very keeness for condom, ex\specially the girl. they were graduated just now and ready for college, if do this, it will make them very discomfiture and affect their pensee, also have some seduct for them, Don't adapt to them!

最后,高中生,毕竟还只是一个孩子,刚刚长大,身体还正在发育,他们对性是充满好奇的,甚至对避孕套也很敏感,特别是女生,他们才刚刚毕业,正准备念大学,这样做,会让他们很难堪与尴尬,影响他们的思想,并且存在一种诱惑性,完全不适合,反对!

The larval form of certain insects,such as silverfish and grasshopper s,usually resembling the adult form but smaller and lacking fully developed wings.

蛹某些昆虫,如蠹虫和蚱蜢的幼虫形态。通常和成年形状相像但形状小并且缺少完全发育的翅膀

The larval form of certain insects, such as silverfish and grasshoppers, usually resembling the adult form but smaller and lacking fully developed wings.

蛹某些昆虫,如蠹虫和蚱蜢的幼虫形态。通常和成年形状相像但形状小并且缺少完全发育的翅膀

An assay of polar auxin transport showed that, in comparison with wild type plants, the basipetal transport activity was greatly reduced in the stem of li mutant.

形态解剖观察发现li突变体茎的形成层和韧皮部分化发育不完全,这与其生长素极性运输能力下降是一致的。

Both developmental environments are different entirely, therefore their depositional systems are also different.

两者发育的环境完全不同,产生的沉积体系也各异。

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Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。