First, there is speciation (species-splitting or cladogenesis), caused by geographical isolation or some other mechanism.

首先，因地理隔离或其它一些机制导致物种形成（物种分裂或系枝进化）。

For selective isolation of enteropathogenic bacteria,especially for Salmonella spp and Shigella spp.

用于肠道致病菌特别是沙门氏菌和志贺氏菌选择性分离培养。

The millionaire lived in complete isolation from the outside world.

这位富翁过着与世隔绝生活。

His isolation has made him blunt about the feelings of others.

他孤立使他对别情木然无知。

The country has again achieved international respectability after years of isolation.

几年孤立之后， 该国又重新建立了国际声望。

We must on no account view problems superficially and in isolation.

我们绝不能表面地、孤立地看问题。

A stepwise procedure for isolation and purification of lactoperoxidase by ultrafiltration and ion exchange chromatography was investigated.

采用超滤-离子交换色谱分步洗法,对牛初乳中乳过氧化物酶进了分离和纯化。

The details of the procedures on isolation and storage of coccidial oocysts in chickens were summarized in this paper.

本文着重对鸡球虫分类地位、卵囊分离方法以及保存条件等方面进。

A system which indubitably resolves the isolation between intranet and extranet and exchanging data was not found by research.

经调查，还没有发现真正解决内网和外网间隔离和数据自动交换方案系统。

Isolation of Mycobacterium bovis from human cases of cervical adenitis in Tanzania: a cause for concern?

坦桑尼亚颈淋巴结炎中分离出牛型分支杆菌:相关原因是什么?

The incidence of bacteric enteritis would be reduced by strengthening work of sterilization and isolation in hospital and hygiene of foods during summer.

加强病房内消毒隔离制度及夏天饮食卫生可减少细菌性肠炎发生。

Methods and recent development of isolation of structurally characterizable alkali, alkaline earth and lanthanide metal ketyl radical complexes were reviewed in the paper.

了利用金属离子配位作用捕获并分离重要有机反应中间体——自由基中间体研究方法和最新进展。

Igura K, Zhang X, Takahashi K, et al. Isolation and characterization of mesenchymal progenitor cells from chorionic villi of human placenta. Cytotherapy 2004;6:543-53.

紫河车绒毛膜绒毛间充质干细胞分离与鉴定细胞疗法2004;6:543-53.

Based on the theory of interaction of fluid-solid, tridimensional FEM model of dam-aircushion-water is introduced.The vibration isolation mechanism and effectiveness of air cushion has been studied.

摘要从流固耦合理论出发，了坝体-气幕-库水隔震三维有限元理论模型，研究了气幕隔震减震机理和隔震效果。

The reproductive isolation among sympatric Pedicularis species is influenced by the differences of pollinator behavior and floral form via ethological isolation and mechanical isolation.

另一方面是通过机械隔离机制，即由熊蜂不同访花为以及植物花部结构上差异避免柱头与熊蜂携带异种花粉接触。