二倍

The behavior of chromosomes at meiosis of PMC of 9 combination and selfed seed set of 16 combination of Triticum-Aegilopsamphidiploids were studied.

对小麦-山羊双二倍体9个组合的细胞遗传学和16个组合的自交结实率进行了观察。

Hytivus. Although chromosome number of all materials studied was counted to be 2n = 38, the difference in meiotic behaviors between individuals of first selfed progenies were observed, which indicated the difference in the degree of diploidization.

虽然染色体记数的结果表明所有单株的染色体数目都为38条，但是花粉母细胞的减数分裂行为在单株间的细小差异也被观察到了，这表明各单株间存在较小的二倍化程度的差异。

For the E. coli lac operon, write the partial diploid genotype for a strain that will produceβ-galactosidase constitutively and permease by induction.

以大肠杆菌的乳糖操纵元为例，请写出一菌株的部分二倍体基因型：β-半乳糖苷酶是组成型表达的，透过酶是诱导表达的。

Methods Live attenuated rubella vaccine virus strain RA27/3 was inoculated to the monolayer of human diploid MRC-5 cells at an appropriate MOI and incubated in serum-and protein-free CDM culture medium. The virus liquid was harvested and, after addition of polyvinylpyrrolidone as a stabilizer and protective agent, lyophilized. Perform overall control tests on the prepared vaccine.

将风疹减毒活疫苗毒种RA27/3株按适当比例接种单层人二倍体细胞MRC-5株，使用无血清、无蛋白的CDM培养基培养病毒，收获病毒液，加入聚乙烯吡咯烷酮作为病毒稳定剂，制备疫苗原液，加入冻干保护剂，制备5批冻干疫苗，进行各项检定。

Methods Live at-tenuated rubella vaccine virus strain RA27 /3 was inoculated to the monolayer of human diploid MRC-5 cells at an appropriate MOI and incubated in serum-and protein-free CDM culture medium.

方法将风疹减毒活疫苗毒种RA27/3株按适当比例接种单层人二倍体细胞MRC-5株，使用无血清、无蛋白的CDM培养基培养病毒，收获病毒液，加入聚乙烯吡咯烷酮作为病毒稳定剂，制备疫苗原液，加入冻干保护剂，制备5批冻干疫苗，进行各项检定。

This works with slide film and digital.

在使用没有自动输出控制的闪光灯时，将闪光灯的感光度设为胶卷的二倍，对主体测光，机身选光圈整档，闪光灯设同样光圈。

Sixty per cent of the studied pollen plants were diploids,and set seeds normally.

结果观察到60％的花粉植株为能正常结实的二倍体。90％来自F_1的花粉植株的后代是整齐一致没有分离的，也即在遗传上是纯合的。

Design and error analysis of 1 064 nm,532 nm frequency doubled antireflection coating for LBO［J］.

LBO 晶体上1 064 nm，532 nm二倍频增透膜的设计及误差分析［J］。

The design and error analysis of 1064 nm,532 nm frequency-doubled antirefelcetion coating for LBO .

LBO晶体上1053 nm，532 nm二倍频增透膜的设计与误差分析。

Design and error analysis of 1 064 nm,532 nm frequency-doubled antireflection coating for LBO.

LBO晶体上1 064 nm，532 nm二倍频增透膜的设计及误差分析。

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。