这只是对我们的免疫系统试图防御的潜在外来入侵者的分类介绍。
Just an introduction to the classes of potential foreign invaders that our immune system tries to defend us against.
第一章主要从对外来入侵物种的概述出发。
First chapter I embarks the external invasion species outline.
外来入侵者正展开攻势，索尼与任天堂能否挺过此劫？
ALIEN intruders are attacking. Can Sony and Nintendo survive?
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.
专家们强调，外来入侵物种对土著物种的威胁正在扩大。
And the threat to native species from alien invaders is growing, the experts warned.
器官移植后，T细胞把捐赠器官当作‘外来入侵者’进行攻击。
After organ transplants, t cells can attack the donor organ as a 'foreign invader'.
报告指出，其它影响包括，外来入侵物种的扩散和传染病的传播。
Other consequences could include the spread of invasive species and infectious diseases, it said.
与本地扬尘相比，外来入侵沙尘可使叶面颗粒物附着密度较大增加。
Compared with the local dust, extraneous dust made the particulates density on leaves increased greatly.
外来入侵物种并不光是那些从外国传入的动物、可怕的蛇或讨厌的虫子。
Invasive species aren't just exotic animals, scary snakes or annoying insects.
在火敏感型生态系统中，通常火灾失控燃烧有利于外来入侵物种的扩散。
In fire-sensitive ecosystems, uncontrolled burning often encourages the spread of alien invasive species.
对黄河三角洲外来入侵物种米草的生物学、生态学特性进行了观测和研究。
In Yellow River Delta, the biological and ecological characteristics of an invasive alien species spartina were investigated.
这是明年的主打电影，是关于海军抵抗外来入侵的一部电影，现正在路易斯安那州拍摄。
Hitting cinemas next year, it is a film about marines fighting an alien invasion. And it is being shot in Louisiana.
亚当：这个培养皿中有个完整的微生物群，中间那个看起来像雪花的是外来入侵者。
Adam: This plate has a whole herd of bacteria, with one frosty-looking colony in the middle.
凝集素 --植物中与糖结合的蛋白 --可以识别并附着在外来入侵病毒细菌。
Lectins -- sugar-binding proteinsfound in plants -- can identify and attach to foreign invaders.
英国最为人所只的海鸟海雀，由于全球暖化，而被快速生长的外来入侵树种所消灭。
One of britain ' s best - known seabirds, the puffin, is being wiped out by invading fast - growing alien plant species because of global warming.
外来入侵生物已对世界各国的自然生态系统、农业生产及公众健康造成了严重危害。
Invasive alien species caused significant damage to natural ecosystem, agricultural production and human health throughout the world.
加利福尼亚正在严厉打击外来入侵物种，这将在今年晚些时候对国家法规产生重大影响。
California is cracking down on invasive species, and that could have a big impact on national regulations due out later this year.
意大利文艺复兴在15世纪晚期达到了鼎盛，而其时的外来入侵则使整个地区陷入混乱。
The Italian Renaissance peaked in the late 15th century as foreign invasions plunged the region into turmoil.
同时又必须深刻认识外来物种入侵的威胁和危害，对外来入侵物种的危害必须依法治理。
At the same time we must be deeply aware of the threatening and harm of the invasion of foreign species which must be coped with in accordance with law.
运用野外调查和文献研究方法，对内蒙古自治区境内分布的外来入侵植物进行了初步研究。
Invasive plants in Inner Mongolia were recorded in this paper based on field survey and related materials.
外来入侵物种中热带来源与温带来源比例相当，人为引入导致的外来入侵植物高达39%。
The proportion of alien invasive species originating from the tropic zone was close to that from temperate regions. The proportion of alien invasive plants caused by intentional introduction was 39%.
各省外来入侵植物物种密度由东南海岸向内陆递减，造成这一趋势的主要影响因素为交通密度；
The density of invasive plant species declined from the southeast coast inland to the northwest, which was best explained by transport density.
虽然小龙虾在别人的眼中只是一种外来入侵物种，但在中国人的眼中，他们却是一道非常美味的佳肴。
Although crayfish are regarded as an invasive pest, they are a kind of delicious food in Chinese people eyes.
外来入侵植物的入侵要经历一个从个体到种群的过程，只有形成种群后才能对自然生态环境造成危害。
The invading of an alien plant is an individual-to-group process. The invasion will not do harm to the ecology until the plants become a group.
为应对暴涨的丧葬费用，南非“致力于保护水资源”项目制定了一个解决方案-用外来入侵树种制造棺材。
South Africa's Working for Water program has come up with a solution to the spiraling funeral costs - use wood from invasive trees to produce coffins.
外来入侵植物是指自然或人为地由原生态系统中引入到新生境的植物，会给新生境或其中的物种带来威胁。
Alien invasive plant is one that is introduced from original ecosystems to new ones by nature force or human activity, which endangers the new environment or native plant species.
Cozett说，外来入侵树种和植物给南非带来了诸多问题，其中最大的问题是对南非水资源安全的威胁。
Cozett says invasive alien trees and plants pose a number of problems in South Africa, not the least of which is the impact on the country's water security.
在自身免疫系统疾病中，如关节炎或克隆恩氏病，T细胞误把自身细胞碎片当作外来入侵者，导致自己攻击自己。
In autoimmune diseases, like arthritis or Crohns disease, t cells mistake fragments of the body's own cells for foreign invaders, leading to the body launching an attack upon itself.
生物入侵已被列为当今世界最为棘手的三大环境难题之一，我国已经成为遭受外来入侵生物危害最严重的国家之一。
Biological invasion have become a serious environmental issue throughout the world. Our country has been regarded as one of the most severity on biological invasion in the world.
生物入侵已被列为当今世界最为棘手的三大环境难题之一，我国已经成为遭受外来入侵生物危害最严重的国家之一。
Biological invasion have become a serious environmental issue throughout the world. Our country has been regarded as one of the most severity on biological invasion in the world.
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