二倍的

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。

That is, the angular velocity is more than doubled.

即所得的末角速度大于原来的二倍。

SSR analysis indicated that triploids were derived from nucellar apomixis; diploids were most probably from sexual crosses of haploid female gametes and alien pollen grains.

SSR分析结果表明三倍体后代来源於柑橘珠心细胞的无融合生殖，而二倍体个体很可能是单倍体的雌配子与外界花粉杂交后代。

In angiosperms, a diploid embryo may develop from a cell of the nucellus or chalaza; this is also apospory.

在被子植物中。二倍体的胚胎可以从珠心或合点的细胞发育而来，这也可以被称为无孢子生殖。

I have twice as many books as you do.

我拥有的书是你的二倍。

Sporophyte The diploid generation in the life cycle of a plant, which gives rise asexually to haploid spores.

孢子体：植物生活周期的二倍体世代。无性生殖可产生单倍体的孢子。

Reference samples of materials and products should be of a size sufficient to permit at least a full re-examination.

原辅料和产品的取样量至少应为全检量的二倍。

Analogous cascades are found in higher organisms, and are compared with the yeast cascade later

由单倍体种群形成稳定的二倍体产物可以被认为是转变存在的理由。

These improvements yield a rough doubling in performance over an Intel 80386 at the same clock rate.

这会提供大约二倍同时脉的80386的效能。

Low Dilatability and great waxiness,its tenacity is twice more than common gypsum its the ideal material forodontology model

可塑性的石膏，韧性比一般超硬石膏大二倍，是医学齿科模型的理想材料。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。