构建包含基本生物学和生态学信息的外来物种数据库不仅对理解生物入侵分布格局至关重要， 同时也是制定外来种管理策略和解释生物入侵过程的重要一步。
A database of alien flora is important for better understanding the patterns of plant invasions, as well as explicating the mechanisms promoting plant invasion at local, regional and global scales.
植物外来种对土壤特性可产生深刻的影响。
This paper shows the effects of exotic plants on the properties of soil.
对植物外来种的入侵及对生态系统的影响进行综述与分析。
The invasions of exotic plants and their effects of ecosystems were reviewed and analyzed.
外来种的入侵性和生境的可入侵性是研究生物入侵机制的两个关键因素。
Exotic invasiveness and community invisibility are two key factors to study the mechanism of biotic invasion.
目的说明我国媒介蝇类区系成分中外来种的入侵问题及人类活动导致的媒介蝇类入侵的重要性。
Objective to describe the invasion of exotic species into the composition of fly fauna in China and the significance of human-induced invasion of fly vectors.
结合文献记录与调查表明：清水江共有鱼类4目13科57属86种（亚种），其中仅胡子鲇为外来种；
Based on the historical records and this survey, it was concluded that the fish fauna in the Qingshui River comprised 86 species (subspecies), 57 genera, 13 families and 4 orders.
植物外来种对生态系统的影响主要体现在生产力、土壤营养、水分、干扰体制、群落的结构和动态等方面。
The effects of exotic species to ecosystems are mainly on the productivity, soil, water, disturbance, community structure and dynamics.
新加坡实行引进外来人才 的政策可说是一种“双赢”策略，而不是一场“ 零 和”游戏。
By recruiting foreign talent, Singapore is pursuing a policy that is likely to lead to a "win-win" situation, and not a "zero-sum" outcome.
我们正在做的另一件事是除掉生长在花园里的一些外来物种，并种回一些本地植物和树木。
The other thing we're doing is getting rid of some of the foreign species that are growing in the gardens and putting back some native plants and trees.
对于Web开发人员来说，WebWorkers听起来就像一种外来的新技术。
Web Workers sound like an exotic new technology for Web developers.
实用主义作为一种外来哲学被中国自觉而广泛地接受必然有其深层的原因。
As a foreign philosophy, pragmatism's being widely and consciously accepted must be due to some deep reasons.
近代以来，面对承袭国学精粹和学习外来文化这两种选择，如何平衡二者的关系，成了一个经久不衰的话题。
Facing with the two alternatives of inheriting Chinese essence and learning foreign culture, we find it an everlasting topic how to balance their relationship.
进一步的观察表明，实际上教师们倾向于站在情况外来评估事件，而不是以一种深思熟虑的方式来审视促成因素。
Further observation revealed the tendency of teachers to evaluate events rather than review the contributory factors in a considered manner by, in effect, standing outside the situation.
总的来说，每一种语言都包含有一定数量的外来成分。
Generally speaking, all languages contain a certain amount of foreign linguistic elements.
19世纪末，狗舌草被偶然引入新西兰，像许多入侵的外来物种一样，它很快就变成了一种有害生物。
Ragwort was accidentally introduced to New Zealand in the late nineteenth century and, like so many invading foreign species, quickly became a pest.
大西洋货轮还在带入外来物种——目前的数量已经达到185种。
Atlantic freighters still bring in foreign species—there are now 185.
但它对我们所有人都是一种警示：类似的外来的冲击是如何产生、又是如何破坏一种看起来势不可挡的增长势头的。
But it was nonetheless a reminder to all of us of how external shocks of that kind can come along and disrupt the flow and the momentum of seemingly inevitable growth.
如果一种外来植物入侵了地上的动植物群落，就会改变地上群落和地下土壤群落之间的联系。
If a nonnative plant species invades an above-ground community of flora and fauna, it can alter links between the native above-ground community and the below-ground soil community.
那些欧洲历史上比大多数的民族国家有着更长的历史的著名城市，有一种吸收外来人和容纳许多不同种类的社会现实的非凡能力。
The historic cities of Europe, which are far older than most nation states, retain a remarkable ability to absorb newcomers and accommodate many different kinds of social reality.
红脂大小蠹是我国一种危害油松等松树的外来入侵物种。
Dendroctonus valens is a dangerous insect pest of several pine species in China.
生物入侵是一个适应性进化的过程，天然杂交与遗传渐渗可以改变外来物种对环境的适应性并提高其入侵能力，使其进化成为入侵种。
Biological invasion is a process of adaptive evolution in which hybridization and introgression play an important role in promoting invasive species by changing their invasiveness.
戴维斯指出，证明一种生物体不是“我们所知道的生命”的唯一办法就是看它是否是由其他生命形式所没有的外来元素组成的。
Davies suggested that the only way to prove an organism wasn't "life as we know it" was if it were built using exotic elements which no other form of life had.
中国的狮子造型在吸收外来造型影响的基础上，被赋予了浓厚的驯良色彩，并充分地与中国传统文化相融合，演绎了一种全新的华夏狮文化。
Under the influence of foreign and traditional Chinese culture, Chinese lion statues were given a heavy tint of tameness, representing a grand new Chinese lion culture.
与此同时，海水也杀死了贪婪的巨型苹果蜗牛，一种以水稻幼苗为食的外来害虫。
At the same time, this sea-water also kills off the greedy giant apple snail, an introduced pest that feeds on young rice plants.
借用外来词汇是一种语言与异质文化交往时不可避免的普遍现象。
Loan words are inevitably a phenomenon common in exchanges between a language and a foreign culture.
关于青花的起源，长期来一直有中国起源说和外来技术影响说两种意见。
There have long been two schools of thought on the origins of blue - and - white ware - either it has native origins in China, or that it made use of technology introduced from abroad.
关于青花的起源，长期来一直有中国起源说和外来技术影响说两种意见。
There have long been two schools of thought on the origins of blue - and - white ware - either it has native origins in China, or that it made use of technology introduced from abroad.
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