大型底栖动物入侵种：它们是否对德国水生动物群落构成威胁?。
Invasive macrozoobenthic species: are they a threat to the aquatic communities of German water bodies?
研究空心莲子草的化感作用和遗传毒性机理对于有效治理该入侵种具有十分重要的意义。
It is important significance that studied the mechanism of the allelopathy and heredity toxicity of this species to effectively control the invasive plant.
在林业入侵种研究方面发文最多的25个研究机构中，美国有20个，中国没有机构入选；
Of top 25 institutions publishing articles on invasive species of forest, 20 were from USA, but none from China.
这是该报告第一次将气候变化列入威胁鸟类种群的因素其它因素包括生境(栖息地)破坏、捕猎、杀虫剂的使用、入侵种和湿地流失。
For the first time, the report adds climate change to other factors threatening bird populations, including destruction of habitat, hunting, pesticides, invasive species and loss of wetlands.
从演化的观点来了解这件事，可以使我们知道入侵种所可能造成的冲击，但我们也可从中学习到如何去减低这些负面的影响。
An evolutionary perspective not only can help us to understand the impacts of an invasion, but also can suggest novel approaches to reducing those impacts.
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.
然而即使将所有入侵种移除，也只能使岛回归到波利尼西亚人居住的时期，他们在库克入岛前已经在岛上居住了至少1000年了，也开垦了这片土地。
Yet even if all the invaders were removed, it would only return the islands to the state into which the Polynesians, who inhabited them for at least 1,000 years before Cook's arrival, had shaped them.
图1中国省级行政区农业生态系统入侵种数统计。a图中数字表示各省级行政区总入侵种数，b图为各地植物入侵种与动物和微生物入侵种数的线性回归。
Fig. 1 number of invasive species in agricultural ecosystems in Chinese provincial districts (a) and relationships between species Numbers of plant invaders and animal and microbe invaders (b).
大约4万6千年前，在一种使用工具、高度智能的捕食者入侵后不久，澳大利亚主要的陆地生物发生了一些巨大的变化。
Something dramatic happened to Australia's dominant land creatures—somewhere around 46,000 years ago, strikingly soon after the invasion of a tool-wielding, highly intelligent predator.
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.
在美国总共15万的物种中，有7000种外来物种，当中只有10%是入侵物种。
Of the 7,000 alien species in the United States—out of a total of 150,000 species—only about 10 percent are invasive.
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.
您知道Snort是一种入侵检测系统，但它是如何检测入侵的呢？
You know that Snort is an intrusion detection system, but how does it detect intrusion?
安：那是有用的，不过种一些植物，像绿薄荷、青蒿和艾菊，不但美化你的院子，更可以抵挡你的入侵者。
A: That works, but planting things like spearmint, southernwood, and tansy could both beautify your yard and deter your invaders.
但是，Buckley博士的数据，提出了另一种可能性——即吴哥的运河干涸和水库缺水，因此敌人入侵是衰退的结果，而不是其原因。
Dr Buckley's data, however, suggest another possibility-that Angkor's canals and reservoirs ran dry and that the invasions were therefore a consequence of decline, rather than its cause.
在世界上100种影响最大的外来入侵物种中，尼罗河鲈鱼是其中之一，它于20世纪50年代被引入到东部非洲的维多利亚湖。由于鲈鱼的肆虐，环境混乱的窘境一直延续至今。
One of the 100 most invasive species in the world the Nile perch was introduced to East Africa's Lake Victoria in the 1950s, and has wreaked environmental havoc ever since.
第二种方法是很容易入侵的，建议仅在开发和测试环境下使用。
This second approach is pretty invasive and should be done only in a development or testing environment.
每一种环境入侵都影响著当地野生动植物的存活和行为举止。
Each of these environmental encroachments affects the survival and behavior of local wildlife.
另一种更狡猾的攻击方法是，入侵者可以修改通过HTTP返回的任何页面——甚至包括页面中嵌入的URL。
An even more subtle attack is that any page returned over HTTP can be potentially altered by an intruder — even URLs embedded in the page.
它们共同作用引发一种免疫反应，在第二次活动前就击退入侵的寄生虫。
Together, these trigger an immune response which can fight off invading parasites before the second act.
即使有另外一种智能生物入侵地球，在那之前所有的人类踪迹也都已经无影无踪。
Even if another intelligent species evolved on Earth, almost all traces of humanity would have vanished long before.
溶解酵素是一种蛋白质，它是人类免疫系统的一部分；由于功能正常，它可以刺破入侵细菌的细胞壁并毁灭它。
Lysozyme is a protein that is part of the human immune system; when functioning properly, it punctures the cell wall of an invading bacterium and destroys it.
新墨西哥州霍洛曼空军基地的空军士兵们向空军唯一一支服役的F- 117联队机动，在好莱坞“入侵”他们基地之时获得一种全新的冲刺体验。
Airmen at Holloman Air Force base, N.M., home to the Air Force's only operational F-117 wing, got to experience a new kind of rush as Hollywood invaded their base.
这主要是因为它是一种大分子物质，要穿过保护大脑免受血液中可能有害化合物入侵的血脑屏障很困难。
This is mainly because it is a large molecule, and has difficulty passing through the blood-brain barrier which protects the brain from potentially harmful compounds in the blood.
来自中国和美国的研究小组指出，中国外来动物入侵物种的数量从1990年到2003年增加了30%，达到76种，而植物入侵物种在1995年至2003年翻了三倍。
The China–US team say that invasive animal species increased from 1990 to 2003 by more than 30 per cent to 76 species, and invasive plant species tripled between 1995 and 2003.
而那些对谷蛋白——小麦中含有的一种蛋白质——过敏的人，免疫系统会把谷蛋白当作是对身体的恶意入侵者。
In those with gluten allergies, the immune system mistakenly identifies gluten, a protein found in wheat, as a hostile invader.
而那些对谷蛋白——小麦中含有的一种蛋白质——过敏的人，免疫系统会把谷蛋白当作是对身体的恶意入侵者。
In those with gluten allergies, the immune system mistakenly identifies gluten, a protein found in wheat, as a hostile invader.
应用推荐