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According to the life form of species and their roles in communities, 6 species groups are used to do ordination analysis and environmental interpretation. The result suggests that:①Despite the strong man-made disturbance at lower altitude sites, the number and character of evergreen species show an change along the altitude gradient.②The rare and endangered species concentrated at two sectors along altitude gradient, corresponding to the upper and lower borders of the mountain mixed forest belt of evergreen and deciduous broad-leaved species.③The pioneer tree species concentrated on the middle and upper positions at lower elevation.④The deciduous accompany tree species show a great diversity on middle and lower position at middle and higher elevation.⑤Coniferous species differentiate along elevation and local topographical gradient.⑥Deciduous species in Quercus, Castanea, Fagus, Carpinus genus as well as coniferous species play primary community-constructing roles at different topographical position at Dalaoling region.

根据物种生活型及其在植物群落中的地位，分6个种组进行排序和环境解释，表明：①尽管低海拔地段受到强烈人为干扰，常绿种类仍显示了数量和性质沿海拔梯度的变化；②珍稀物种在海拔梯度上形成两个相对集中的区段，大致对应于山地常绿落叶阔叶混交林带的上下边缘；③先锋树种在中低海拔的中上坡位富集；④在中、高海拔的中低坡位，落叶的乔木伴生种显示了极大的多样性；⑤为数不多的针叶树种在海拔和局部地形梯度上也有明确分异；⑥它们和落叶的栎、栗、水青冈、鹅耳枥属物种在大老岭地区不同地形部位的植被中起着主要的建群作用。

Mexico's Santa Catalina Island rattlesnake has been classified as critically endangered on the 2007 IUCN Red List.

墨西哥的圣卡塔利娜岛响尾蛇在2007年国际保护自然与自然资源联合会的红色清单上被确定为临界灭绝的动物。

Sika deer is a highly endangered cervid,which presently distributes in the narrow regions of Heilongjiang,Jilin,Sichuan and Jiangxi provinces.

梅花鹿是我国极度濒危的鹿科动物，目前仅分布于黑龙江、吉林、四川、江西等省狭窄的区域内。

This is the green turtle, Chelonia mydas, an endangered species; they are ancient animals, circling the world since at least 150 million years ago.

这就是绿蠵龟、一个濒临绝种的物种，他们是古老的生物，从至少一亿五千万年前，就在地球上活动。

There are 2,722 stumps of endangered and rare plants such as the Michelia Compressa and Euchresta Japonica, and the Chloranthus Glaber that only grows at Cheonjiyeon.

这里还有濒临灭种危机的2722棵受保护植物，并培育招灵木、万年豆等珍贵植物及只有在天地渊才有的竹节草。

Black stork Ciconia nigra is an endangered bird species and is one of the national first-grade protected species of China.

黑鹳Ciconia nigra是世界濒危鸟类之一，在我国数量稀少，被列为国家Ⅰ级保护物种。

For the approach to the relations between the endangered situation and their sexual reproductive processes in Cimicifuga nanchuanensis, some comparative studies were made in C.simplex , a close and widespread species.

为了探讨南川升麻濒危与其生殖过程的联系。对广布近缘种单穗升麻进行了部分对照研究。论述单穗升麻的小孢子发生和雄配子体发育以及花药壁的发育。

In this study, we analyzed 8 rare and endangered animals, including giant panda, Yunnan golden monkey, red panda, Asiatic black bear, rhesus monkey, slow lorries, Chinese pangolin and concolor gibbons from China and adjacent areas.

本文以我国珍稀动物大熊猫、滇金丝猴、小熊猫，亚州黑熊、间蜂猴、恒河猴、中国穿山甲、黑冠长臂猿为材料，采用蛋白和同工酶电泳以及线粒体DNA序列分析（包扩采用非损伤取样以毛发和陈旧皮张样品进行的分析）的方法研究珍稀动物的遗传多样性状况及其同物种濒危的关系以及根据遗传学数据确定保护的基本单元等。

Hence 7 national parks have been established since 1982 with management focusing on the conservation of endangered species as well as active establishment of areas for preserving biodiversity and sustainable use. To promote environmental education, a variety of conservational programs have also been initiated in recent years, whose accomplishment will be reported in this issue.

为此，从1982年迄今已成立的7座国家公园，在经营管理上不仅著眼於保育濒危物种，更积极划设保护生物多样性和永续利用之地；近年来，亦为普及与落实生物多样性的环境教育，而推广宣传多项保育活动，本期就带您深入了解今年7座国家公园主要的保育成果。

Cupressus chenggiana S. Y. Hu is a specific and endangered plant in Sichuan and Gansu provinces of China. Of four C.

研究了我国四川和甘肃地区特有珍稀濒危植物岷江柏Cupressus chenggiana S。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。