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A tropical rain forest ; an ever-green forest that exists in tropical regions where precipitation is heavy all the year round ; there are vines , parasitic plants and overgrowth , as well as aerophyte besides those tall trees , bushes and herbaceous plants ; mainly distributed in the Amazon drainage basin in south America , the Congo basin , Malaysia , etc .

名 热带气候终年湿润地区的常绿森林群落。这些雨林区由于常年气候湿润多雨,除高大的乔木、灌木、草本植物外,还有繁茂的藤本植物、寄生植物、附生植物等。主要分布在南美亚马孙河流域、非洲刚果盆地及亚洲的马来群岛等地。例句去热带雨林里探险,必须扎上绑带。

The sixteen plants are firstly divided into six types according to evaluation grades and subject function statistical method:the first type is Cajanus cajan and Crotalaria mucronata,the best adaptability ,which can be used pioneer plant or constructive species; the second type is Cynodon dactylon,the better adaptability, which can be used constructive species ;the third type is Eragrostis curvula, Paspalam notatum,which can be used constructive species on rotten rock slope ; the forth type is kummerowia striata,Lotus corniculatus and Vitex negundo.The adaptability is centered,and can be used protection species and auxiliary species;the fifth type is Robinia pseudoacacia,Eremochloa ophiuroides,Vitex negundo,Lespedeza formosa,Leucaena leucocephala,Desmodium sequax, Rhus chinne- nsis,which can't be plant singly and be used accessory species;the sixth is Trifolium repens,which can be used pioneer plant.

根据评价边坡防护植物适应性的十个重要指标,首次运用隶属函数和聚类分析方法,对各供试植物的边坡适应性综合排序并分为六类:第一类为木豆和猪屎豆,边坡适应性最强,适宜作为先锋植物和建群种;第二类为狗牙根,边坡适应性强,适宜与豆科植物混播,作为建群种;第三类为弯叶画眉草和百喜草,边坡适应性较强,适宜与豆科植物混播,作为风化岩边坡的建群种;第四类为鸡眼草、百脉根和马棘,边坡适应性中等,适宜作为保护种与伴生种;第五类为刺槐、假俭草、荆条、美丽胡枝子、银合欢、波叶山蚂蝗和盐肤木,边坡适应性较差,不宜单独在边坡上种植,最好与速生型豆科草本混播,作为边坡防护植物群落的辅助植物;第六类为白三叶,边坡适应性最差,但因其出苗率高、生长速度快,作为先锋植物,起到前期覆盖坡面的作用。

On the early days of planting vegetation,we advise that the sanitary landfills introduce green bristlegrass,fat hen and cockspur grass at the same time of sodding.On the latter days,they can plant some good shrubberies to hold the soil of the slope.

建议在卫生填埋场植被建设初期,在种植人工草皮的同时,适当地引入狗尾草、稗草、灰菜等野生优势种,使野生草本群落逐渐替代人工草坪;在植被建设中后期,种植适量抗性强的优良灌木树种,以提高填埋场植被的物种多样性,增加坡面景观效果,发挥植被护坡固土的生态功能。

Different shrub tree were differente in proper soil nutrients of plant ecesis and improvement of soil nutrients. Shrub community was better than herb community in soil nutrient. The process of vegetation secondary succession has an improved trend of soil nutrient.

不同灌木种群所需的适宜土壤养分条件和对土壤养分的改善效应存在较大差异;植被次生演替灌丛阶段的土壤养分明显优于草本阶段,植被次生演替过程土壤养分呈逐步改善的趋势。

However, the spatial variability of diversity of annual and biennial herbaceous plants, shrubs, intermediate xerophytes and xerophytes is low.

沙质草场群落中一、二年生草本、灌木、中旱生植物和旱生植物功能群多样性空间变异性较弱,由随机因素引起的异质性所占的比重较大,且主要表现在5 m以下的尺度范围内。

Large widely distributed genus of herbs and subshrubs of especially western North America and Arctic areas.

非常广泛分布的特别在北美和北极地区的草本和半灌木的属。

Diverse genus of herbs or woody subshrubs of north temperate regions.

北部温和地区的草本或木质半灌木的不同的属。

Herbs annual or perennial. Roots fibrous or woody; primary root with few secondary rootlets or rhizomes and with few fleshy adventitious rootlets.

一年生或多年生草本根纤维状的或木质;主根具很少次生细根或根状茎和具很少肉质的不定的细根。

In addition, these management groups protect examples of almost all the existing natural habitats such as deciduous forests, mangrove swamps, rain forests, herbaceous swamps, cloud forests, paramos, hilillo forests and marshlands.

此外,这些团体的管理,保护的例子几乎所有现有的自然栖息地,如落叶阔叶林,红树林沼泽,雨林,草本沼泽,云雾森林,paramos,hilillo森林和沼泽地。

Its products including health tablets and organic pyramid teabags are all based on the concept of nature. herbal natural cosmetic series are coming soon.

产品包括瑞士和德国进口的纯天然保健食品系列,日本精益加工生产线上诞生的金字塔有机茶包系列,以及正在研发的绿色草本化妆品等系列产品。

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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

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