查询词典 var.

Population genetic structure of seven natural populations of Toona ciliata var. pubescens was studied with simple sequence repeat markers.

利用SSR分子标记对分布在我国的7个毛红椿群体进行了遗传结构研究。

Ciliata var. pubescens natural forest should be strengthened and attention should be paid to collect and protect genetic resources and cultivate plantation.

针对毛红椿天然林群落现状，为加强对其保护，应积极开展毛红椿遗传资源收集、保存和培育。

Through above PCR system, repetitive and steady SSR reaction system was constructed.This is the base of studying the population genetic structure and genetic variation of Toona ciliata var. pubescens.

建立了重复性好、稳定性好的SSR反应体系，为下一步进行毛红椿群体遗传结构和遗传变异研究提供了技术支持。

Genomic DNA was successfully extracted from fresh leaves of Toona ciliata var. pubescens using CTAB method. Microsatellite DNA was isolated from genomic DNA with improved method of streptavitin beads.

利用改良的链亲和素磁珠法亲和捕捉出毛红椿基因组微卫星DNA片断，并构建了富含微卫星的基因组文库。

Study on the changes of chlorophyll fluorescence parameters in Cinnamomum japonicum var.

［目的］探讨NaCl胁迫对普陀樟叶绿素荧光参数的影响。

The key techniques of this project are as followes: By means of optimum seeking of pure Cinnamomum camphora var.

本项目核心技术：通过优选含芳樟醇高达95%的纯种芳樟，再经植物克隆技术培育成种苗，种植后不变异；有效物含量高；杂质少；不经蒸馏分离工序，即可达到合格产品。

Then the voltage source type matrix converter mathematics model is established each in 3-phase static and circumrotate coordinate system, moreover by open-loop simulation, the simulation results show that the voltage source type matrix converter can realize the frequency range very broad sine wave input-output, moreover by regulating circuit parameter, the power factor in input side reaches 1 approximately, realization static VAR compensator function.

然后分别建立了电压源型矩阵变换器在三相坐标系和旋转坐标系下的数学模型，并且对电压源型矩阵变换器进行开环仿真，仿真的结果表明电压源型矩阵变换器能够实现频率范围很广的正弦波输入输出，而且通过调整电路参数使得输入侧的功率因数约为1，实现静止无功补偿器的功能。

Studies on callus induction, adventitious shoot regeneration of Cirsium japonicum DC. var. takaoense Kitamura using leaf and stem-node as explants were conducted with different strength of MS medium, sucrose concentration and growth regulator combination in this investigation.

中文摘要本研究以白花小蓟无菌苗之叶片与茎节培植体为材料，进行不同MS培养基浓度、蔗糖浓度、NAA配合BA或TDZ浓度组合对愈合组织形成及不定芽诱导之影响。

A globose watermelon(Citrullus lanatus var.citroides)having white flesh that is candied or pickle d.

甜瓜一种球形的西瓜，有可制成蜜饯和腌制的白色果肉

A globose watermelon(Citrullus lanatus var.citroides)having white flesh that is candied or pickled.

甜瓜一种球形的西瓜，有可制成蜜饯和腌制的白色果肉

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。