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Wheat germplasm lines were obtained from the posterity of Aegilops tauschii-Triticum Carthlicum amphiploid, and analysis results showed that the 30 germplasm lines have many excellent characters, such as multi-tillers, multi-spikes per plant, good disease resistance, large ear, etc., they are very useful in genetic improvemert of wheat.

从粗山羊草与硬粒小麦合成的双二倍体后代中选育出30个种质系,对其鉴定结果表明,它们的分蘖力、单株穗数、抗病性、穗长等性状表现优异,具有重要利用价值。

And 17. 6% respectively when increasing furnace arch height 10 times original height and adopting furnace arch stmcture of inequilateral depth and double fumace arch structure.

研究表明,当折焰角高度增加为原高度的10倍、采用左右不等深度折焰角和双折焰角三种结构时,炉膛出口残余旋转明显减小,末级再热器入口截面最大速度不均匀性系数M〓可分别减小30.7%、19.3%和17.6%。

In order to analyze the conservation of maize centromeric satellite DNA and centromeric retrotransposon in the subspecies and relatives of Zea mays, dual fluorescence in situ hybridization was used to detect the existence and distribution of the above two repetitive sequences in Zea mays ssp. mexicana, Z. diploperennis, Z. perennis, Tripsacum dactyloides, Coix lacryma-jobi, and Sorghum bicolor.

为分析玉米着丝粒卫星DNA和着丝粒反转录转座子在玉米种的亚种及近缘种中的保守性,采用双色荧光原位杂交检测了这两种重复序列在墨西哥玉米、二倍体多年生类玉米、多年生类玉米、摩擦禾、薏苡、高粱中的存在和分布。

Gays, lesbians and bisexuals are about twice as likely as heterosexuals to seek treatment for mental health issues or substance abuse.

男女同性恋者和双性恋者因为心理问题或滥用药物寻求治疗的几率是异性恋者的大约两倍。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。