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Pear leaf psylla psylla pyrisuga Forster were fed on Pyrus pyriforis Nakai leaves at 20-30℃and at 60-90% of relative humidity with 25℃. The results showed that the optimuM temperature for the development of the eggs,nymphs and the whole generation was shown to range from 20. 0-22.5℃, 22.5-25℃. and 22. 5-25℃, respectively. The optimun temperature for the reproduction of the female adults was 25℃.

以砂梨叶作饲料,研究了20、 22.5、 25、 30℃四种温度和在25℃条件下,60%、70%、80%、90%四种相对湿度对梨木虱Psylla pyrisugaForster生长发育和繁殖的影响,结果表明梨木虱卵期、若虫期和全世代生长发育最适温度分别为20-22.5℃,22.5,25℃和22.5-25℃,雌成虫繁殖最适温为25℃。

The burgeon test showed that the seeds of the Pyrola calliantha have dormant habit.

为了更快、更好的繁殖鹿蹄草植株,用组织培养的方法进行了繁殖试验。

And nutrition at some stage may influence performance of sows of this stage,next stage and the whole reproductive cycle.

近年来,随着集约化生产的发展,高产仔母猪的营养需要和饲养管理已成为动物营养研究的新热点,有必要对其进行深入研究。1不同阶段妊娠母猪的饲喂母猪的繁殖性能与繁殖周期的各阶段营养密切相关,某一阶段的营养会影响此阶段、后一阶段乃至全程的生产性能(Johnston和Trottier,1999a)。

Artificial reproduction has been successfully implemented for more than 60 species of rare and endangered wild animals, and through propagation, such species as David's deer, wild horse and saiga tatarica have been re-introduced.

60多种珍稀濒危野生动物人工繁殖成功;麋鹿、野马、高鼻羚羊等动物经引种繁殖已初步得到恢复。

Failure to conduct oneself in compliance with the Code of Ethics shall be considered prejudicial to the best interests of the Samoyed breed.

没有管理好自己的行为以服从这个道德规范,将会被优秀的萨摩繁殖者排斥(不遵守道德规范,你就不是好的繁殖者)。

It is for this reason that red nations' peoples would not strip all the mushrooms or berries or other resources from the forest, as some needed to be left to allow for proliferation of future resources as well as sustain the other kingdoms that also required such resources for self preservation.

就是这个原因,红族人民从不会采光森林中的所有蘑菇、浆果或其它资源,因为需要留下一些来繁殖未来资源,也维持其它也需要这些资源来繁殖自己的王国。

Sexual reproduction of animals was wildly distributed in nature and also was the main reproductive way.

动物的有性繁殖是自然界普遍的遗传现象,是繁殖后代的主要方式,作为重要经济昆虫的家蚕也是如此。

Sexual reproduction is not a universal strategy and so we will examine the advantages and disadvantage of this system versus a***ual reproduction.

有性繁殖是不是一个普遍的策略,所以我们将研究的优点和缺点,这个系统与无性繁殖

As the main task of gene is to reproduce, the gene keeps most selenium in a spermatic tube to be used for reproduction.

基因的主要任务就是繁殖,它让绝大多数硒存储在生殖系统中,在繁殖时再派上用场。

By finishing the breeding records of 850 parities Landrace sows and 470 parities Yorkshire sows from the breeding stock farm in Nanchong City, Sichuan Province, the effects of the interval from weaning to the breeding and gestation period on the reproductive performance of sows were studied.

通过整理四川省南充市种畜场850窝长白母猪、470窝约克夏母猪的繁殖记录,研究了断奶至配种间隔、妊娠期对长白和约克夏母猪繁殖性能的影响。

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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。

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。

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?