Dodecaploid Plantlets Regenerated from Endosperm Culture of‘Luotiantianshi’Persimmon;
‘罗田甜柿’胚乳培养获得十二倍体再生植株
Leymus karyotypes of three octoploid and two dodecaploid species;
赖草属三个八倍体和两个十二倍体物种的核型研究
Studies on Grafting and Transplanting in Dodecaploid Plantlet of Nonastringent Persimmon;
甜柿十二倍体试管苗嫁接与移栽研究
Construction of cDNA Library and Analysis of Expressed Sequence Tag in Haploid 10 of Laminaria Japonica;
海带“单倍体十号”cDNA文库构建及EST序列分析
Molecular Mapping of Two Novel Stripe Rust Resistance Genes YrTp1 and YrTp2 in A-3 Drived from Triticum aestivum×Thinopyrum ponticum;
方法利用小麦条锈菌条中31、32号生理小种,对来自小麦与十倍体长穗偃麦草[Thinopyrumponticum(Host)Liu&Wang]的杂交后代材料A-3进行抗性遗传分析。
Studies on Grafting and Transplanting in Dodecaploid Plantlet of Nonastringent Persimmon;
甜柿十二倍体试管苗嫁接与移栽研究
Studies on Grafting in Dodecaploid Plantlet of Nonastringent Persimmon;
甜柿十二倍体试管苗嫩枝嫁接方法的研究
The state or condition of being diploid.
二倍体二倍体态或条件
Diploid, triploid, tetraploid, pentaploid and hexaploid hybrid plants have been recovered from protoplast fusion, among which the tetraploid ones accounted for almost90%.
这些体细胞杂种有二倍体、倍体、倍体、倍体和六倍体,但主要是四倍体。
Twelve is the triple of four.
十二是四的三倍数。
An organism having somatic cells with the diploid number of chromosomes.
二倍体体细胞内有二倍数的染色体的组织
One and four into twenty: fifteen about.
二十先令是一先令四便士的多少倍呢?
The output of vinylon for 1977 was 20 times over that for 1971.
1977年的维尼纶产量是1971年的二十倍。
In twenty years, the population swelled to twice its size
二十年间人口增加了一倍。
a set with 3 times 20 members.
成员是二十的三倍的一组。
This glass magnifies 20 diameters.
这个放大镜能放大二十倍。
All were equipped with 20-power scopes.
全都装备有二十倍的望远镜。
He felt that sitting here in the "rear" waiting for news was ten, twenty times more painful than going up to the "front" himself.
他觉得坐在“后方”等消息，要比亲临前线十倍二十倍地难熬！
Autotetroploid rice has double genome compared with diploid rice.
同源四倍体水稻是二倍体水稻染色体加倍形成的。
It may be expressed as either the haploid (n) or diploid (2n) number.
可以用单倍体数目或二倍体数目来表示。
Autopolyploids are genetically isolated from their parental diploids.
同源多倍体与其亲本二倍体在遗传上相隔离。
STUDY ON A NEW ALLOTETRAPLOID SYNTHESIS OF COTTON
棉花二倍体合成异源四倍体新种的研究
The stoma density of diploid is thicher than spur type.
二倍体气孔密度大于三倍体，普通型大于短枝型；