Many results show that disturbance is sometimes helpful for increasing bio-diversity and conservation.

This paper discusses the bio-diversity and its conservation and utilization in the Diancangshan Mountain Nature Preserve.

该文论述了点苍山自然保护区生物多样性及其保护利用对策.

Objective : To investigate the relation between bio-diversity and quality of Chinese Medicinal Materials.

目的: 探讨生物多样性中药材质量的关系.

Based on this, relative measures for bio-diversity conservation are proposed.

提出保护植物多样性应采取的措施.

This provided advance study and brought forward the high removes resolution and frequency diversity.

提出用高分辨率和频率分集解决多径效应问题.

But habitat loss threatens to erase much of this ecological diversity.

但是,栖息地的丧失正威胁着那里的生态多样性.

In biology class, our professor is teaching us about ecological diversity.

生物学课上, 教授正教我们关于生态多样性的知识.

The D 4 R diversity receiver provides outputs in the same configurations.

接收器的D4R多样性提供的产出在同一配置.

Meantime , the space diversity combining ( SDC ) technique is exploited to further perfect the systems performance.

并采用空间分集合并 ( SDC ) 技术进一步完善其上行链路性能.

Multi-receive antennas can also provide the diversity gain for LLR information and iterative extrinsic information.

多接收天线可以对判决似然比和迭代译码的外部信息提供分集增益,从而进一步提高系统性能.

Over independent Rayleigh fading channels, this scheme can achieve the maximum diversity gain receive antennas.

在独立瑞利衰落信道情况下, 能够实现满分集增益.

Space-Time coding is a coding technique to achieve the diversity gain of multiple antennas system.

时空 编码是一种可以从多重天线系统中得到分集增益的编码技术.

This invention can effectively obtain higher diversity gain.

本发明可以有效的获得更高的分集增益.

There was no significant difference of diversity index between the tree layer and the shrub layer.

乔木层与灌木层之间多样性各项指标总体无显著差别.

Both the species richness index and diversity index of the community were low.

群落物种丰富度和多样性指数低.

Along with altitude increasing, predominant index generally increases, but species diversity index and evenness index decrease.

随海拔升高, 优势度指数普遍递增, 物种多样性指数和均匀度指数递减.

Some protection measures of botanical species diversity in the area are put forward in this paper.

提出了保护伏牛山区植物多样性的几点设想.

The result showed that there was clear seasonal variation in the bird species diversity.

区系组成呈南北鸟类混杂分布,鸟类的多样性表现出明显季节性.

What Determines Species Diversity?

是什么决定了物种的差异?

Product quality, innovative, artistic, and species diversity.

产品质量好 、 新颖美观 、 品种多样化.

Soil microbial diversity includes microbial species diversity, genetic diversity and ecological diversity.

土壤微生物多样性包括微生物物种多样性 、 遗传多样性和生态多样性.