查询词典 vegetation

The results indicated:During the course of vegetation natural recovery, there are different stage of secondary sere at different degree of degraded lands, that is secondary herbosa; secondary scrub; masson pine coniferous forest; conifer and broad-leaved mixed forest; every green broad-leaved forest.

本项研究从比较生态学入手，分析了千岛湖地区退化森林生态系统不同植被恢复措施，即：自然恢复、人工促进自然恢复和人工恢复措施下的群落生态变化，比较了不同措施之间的生态响应差异，研究结果表明：①在植被自然恢复过程中，由于生态系统退化程度的不同，存在草灌丛、灌丛、马尾松林、混交林和常绿阔叶林整个演替序列。

The only vegetation was scrubby trees and patches of coarse grass.

唯一的植物是低矮的树木和一丛丛粗糙的草。

British a tract of level wasteland; uncultivated land with sandy soil and scrubby vegetation.

在英国，指一大片平坦的荒野；未开垦的覆盖有草本植物和低矮灌木丛的沙地。

But by spraying with DDT to control mosquitoes and building impoundments that allowed freshwater vegetation to take over the salt marshes, humans adjusted the ecosystem—hoping to improve their own lives—and discovered, too late, how finely attuned to its home in the cordgrass the dusky seaside sparrow really was.

然而人类藉喷洒DDT抑制蚊子与建造封闭水塘让淡水植被取代盐沼而改变了生态系统，希望藉此改善自己的生活，却太晚才发现黑海滩雀在这片带状草地上曾经活得多么自在。

Vegetation is most affected by the lack of light, and secondarily by being drown.

而植被由于缺乏阳光受到很大的影响，其次又会被水淹死。

The species of grasses were scarce in the contents and only two species of sedge s occurred in the contents, the most vegetation were forbs in the content.

禾本科 植物在高原鼢鼠的胃内容物中基本没有发现，对莎草科植物也只取食两个物种，高原鼢鼠所取食的植物主要是杂类草。

It was suggested that the self-organization and self-fertilization capacity were built up with succession, compatible to the vegetation succession principle.

群落自组织、自我施肥能力增强与植物群落演替规律相适应。

God said,'The earth shall send forth vegetation.

上帝说，'地球，然后给了植被。

Except, it may be, by raising a few sepulchral mounds, such as those which still, here and there, break the flowing contours of the downs,man's hands had made no mark upon it; and the thin veil of vegetation which overspread the broad-backed heights and the shelving sides of the coombs,was unaffected by his industry.

也许除了就像现在还在这里活那里破坏这连绵丘陵轮廓的为数不多的一些垒起的坟堆以外，人的双手还没有在它上面打上烙印。笼罩着广阔高地和峡谷斜坡的薄薄的植被，还没有受到人的劳动的影响。

The conversion of agricultural land and pasture to forest and many conservative agricultural practices can sequester atmospheric carbon in vegetation and soil.

农田和草地弃耕恢复为森林，以及农田保护性管理措施的利用。能够使大气中的碳在植被和土壤中得到汇集。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。