Endangered variety(EN)是什么意思

用法例句

The endangered causes and preserving strategies for Euryodendron excelsum, a plant endemic to china;

中国特有植物猪血木的濒危原因及保护对策

The endangered causes of Elaeagnus mollis,an endemic to China;

我国特有珍稀植物翅果油树濒危原因分析

Eco-environmental characteristics and endangered causes of Taxus mairei,an endemic to China;

濒危植物南方红豆杉濒危原因分析

Discussion on criterions of endanger and protection levels of traditional Chinese medicine herbs;

药用植物濒危与保护等级划分中的问题及其标准探讨

The Endangered Animals Specues in the Mountainous Areas Of South Of AnhⅡi&the Suggestions of protection;

皖南山区濒危兽类及保护建议

Analysis on CTM process of endangered mechanism of Dioscorea nipponica population;

穿龙薯蓣种群濒危机制的连续时间马尔可夫过程分析

Previous studies showed that this species was characterized by unusually low fertility and high embryonic mortality,which may be factors leading to its endangerment.

中国特有植物银杉(Cathay argyrophylla)是最濒危的松杉类植物之一。

The genetic diversity of endangered species may be lost due to genetic drift and inbreeding, but this loss is more likely to be a symptom of endangerment rather than its cause.

尽管对于濒危物种的遗传学人们已经进行了大量研究，但是种群遗传学在植物保护中的实际地位尚存在很大争议。

The Tujia Ethnic Group s language shift to the Chinese language and its endangerment is the result of many-sided contributing factors,of which the social changes and economic factor are decisive.

　土家族转用汉语及土家语濒危的成因是多方面的。

Advances in conservation methods of endangered species;

濒危物种保护方法研究进展

Application of DNA molecular markers in endangered species conservation;

DNA分子标记技术在濒危物种保护中的应用

Five types of population viability analysis (PVA) models have been developed for estimating extinction risk of endangered species.

目前已提出了五类估计濒危物种绝灭风险的种群生存力分析模型 ,即 :分析模型、单种群确定性模型、单种群随机模型、异质种群模型和显空间模型。