繁殖
- 与 繁殖 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The present protocol is trying to accelerate the propagation and elevate the reproduction quotiety of the two varieties by tissue culture ,which can solve the problem that supply falls short of dem...
本实验探索通过组织培养加快重瓣大岩桐和大花蕙兰的繁殖速度及提高繁殖系数,以解决市场供不应求的问题,也为其工厂化生产提供技术依据。
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The signal plants by sexual reproduction predominated faintly over ramets in genet population, but accouted for little proportion in clone population, which shows that the ramet has large quantity and has been the main part of population.
目前有性繁殖产生的单生植株在基株种群中还略占优势,但占无性系种群的比例小,表明无性繁殖产生的无性系小株数量大,无性系小株已逐步成为种群的主要组成部分。
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The use of smoke bud propagation unearthed March-April, 40-50 cm height of the sword and coat bud bud to ramet reproduction clothing.
吸芽繁殖采用3-4月出土、苗高40-50厘米的剑芽和褛衣芽进行分株繁殖。
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Mayr also introduced the biological species concept that defined a species as a group of interbreeding or potentially interbreeding populations that were reproductively isolated from all other populations.
迈尔还提出了生物学的物种概念,定义物种为一个杂种繁殖的群体(或潜在地杂种繁殖的群体),与所有其它的种群在生殖上隔离。
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The results showed that too high or too low temperature has negtive effects on sow′s reproductivity.
研究结果表明,气温过高或过低均对猪繁殖力不利,高温高湿对母猪繁殖力影响最大。
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Improving animal reproductivity is not only an aim of biology of reproduction ,but also a question which must be resolved in husbandry.
提高动物繁殖力一直是生殖生物学研究的目标,也是畜牧业中必须解决的关键性问题,类固醇激素合成能力的强弱是影响繁殖力的一个重要因素。
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Improving animal reproductivity is an aim of biology of reproduction , also, an question which were be resolved in husbandry.
提高动物繁殖力一直是生殖生物学研究的目标,也是畜牧业中必须解决的关键性问题,类固醇激素合成能力的强弱是影响繁殖力的一个重要因素。
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The effect of dietary freezing-dried hornet pupae on the longevity and reproductivity of the Drosphila melanogaster was examined.
本实验通过研究胡蜂蜂蛹冻干品对果蝇寿命和繁殖力的影响,证明胡蜂蜂蛹具有延缓衰老和增强繁殖性能的作用。
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The relationship between climatic factors and sow′s reproductive traits were done to investigate the influences of climatic factors on sow′s reproductivity.
通过对湘潭种猪场1126窝母猪繁殖性能的测定及其与主要气候生态因子的相关分析,从而阐述气候因子对母猪繁殖力的影响。
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When food and water were abundant, the density dependent social factor did not affect the reproductivity, which implied that food instead of social factor might be the key factor in determining the change of reproductivity of the hamster in field.
在食物和水分充分供应的情况下,围栏内种群密度的高低对雌鼠繁殖力的影响不大,说明食物可能是引起野外大仓鼠种群繁殖力变化的关键因素,而社群因素的作用不大。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?