查询词典 var

Lower-crown of suppressed trees had greatest specific leaf area values that increased photosynthetic area when Chamaecyparis obtusa var. formosana trees were shaded.

比叶面积的变化，以被压木之下层树冠内部具最大的比叶面积值，台湾扁柏林木受遮荫时，以增加叶及树冠光合面积来维持生长。

The seedlings could be regenerated naturally under forest canopy and are considered as shade-tolerance species. For exploration the adaptability strategy of Chamaecyparis obtusa var.

小苗可於冠层孔隙下下种更新成苗，而被视为耐荫性树种，然对於已更新成长为幼木阶段的台湾扁柏林木，其对现有林分环境的生长调适能力的暸解尚有限。

In conclusion, adjustability of leaf morphology were stronger than crown form within Chamaecyparis obtusa var. formosana forest for different crown classes. Take leaf level as main adaptation strategy to catch light resources efficiently under canopy.

综合言之，台湾扁柏林内不同冠级林木在树冠形态的调整，以叶形态反应较冠形态强烈，即以叶层级为主要调整方式，提高光截取利用之效率。

The changes of crown form comprise difference branch size for different crown regimes. Chamaecyparis obtusa var. formosana dominant trees and intermediate trees had a tapering and conical crown form, whereas suppressed trees were flat umbrella crown.

不同冠级扁柏之树冠以枝条的大小差异构成树冠形上的改变，优势木与中势木具尖细圆锥的树冠形态，被压木则呈平顶之伞形树冠。

Eighteen SSR primer pairs were designed and synthesized.The factors which affected on the SSR reaction of Toona ciliata var.

利用所合成的引物优化SSR反应体系，对影响SSR反应的各个因子进行了探讨。

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。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。