These front-line defences are backed up by armoured units in reserve.
前线防御有后备装甲部队的支援。
He emphasized the need to maintain Britain's defences at a level sufficient to deal with the unexpected.
他强调需要将英国的防卫力量维持在足以应付突发事件的水平。
Mrs Merkel has shored up her defences.
默克尔已经强化了她的防御措施。
Some foods positively bolster your defences.
某些食物确实能增强你的防御。
Instead, they are suggesting improvements to its defences.
与之相反，他们正建议改善其防御。
Recognize Shared realities and the need for collective defences.
面对共同的实际情况需要采取集体防御的行动。
As Yahoo! Threw up its defences, Microsoft also became the subject of rumours.
在雅虎开始其防御措施的同时，微软也成为谣言的话题。
Yoann Gourcuff The France and Bordeaux midfield player is adept at unlocking defences.
约翰·古尔库夫：在波尔多效力的法国中场球员擅长撕开防守。
Other defences are actions, rather than things, some of them automatic and some of them not.
其他的防护措施，不是静止的物体，有些是自动完成的过程，而有些则不是。
Defence companies such as Lockheed Martin have seen some of their cyber-defences penetrated.
许多公司如洛克希德·马丁航空公司等的网络防御都遭到渗透。
Instead of erecting a single barrier, they now set up several lower defences that reduce rust's harm.
他们不是架设一个单独的障碍，而是设置几个低级别的防御，来减少锈病的危害。
Their own environment includes polluted waterways where strong defences against pathogens are a must.
它们生存的环境就包括受到污染的水域，在这种地方，它们必须具有对病原体的强大防御能力。
The defences around the plant's nuclear reactors were wrecked by an earthquake and tsunami in March.
该核电厂的核反应堆周围的护栏在三月份的地震和海啸中被摧毁。
The first time you get infected, your immune system has to rely initially on innate, non-specific defences.
首次感染时，免疫系统最初依靠先天非特异性防御。
These continually evolving attacks are far more likely to go unseen and unchecked by existing network defences.
这些不断演变的攻击更有可能通过现有的网络防御展开，看不见而且不受控制。
The defences have failed badly at all three of the reactors which were running at the time the earthquake hit.
地震发生时正在运行的三个反应堆的安全防护装置遭到了严重损毁。
One senior military official says General Alexander’s priority will be to improve the defences of military networks.
一位美军高级军官说亚力山大将军的优先权将改善军用网络的防御能力。
ANTIBODIES - the linchpin of our natural defences against bacteria and viruses - may also protect us from strokes.
抗体——人类抵抗细菌和病毒的天然防护的关键——也可能保护我们免遭中风。
Bacteria have defences against viruses in the form of chemicals called restriction enzymes, which chop up foreign DNA.
细菌有一种对病毒的防御机制：一种叫做限制性内切酶的化学物质可以切断外源dna。
The court ruled unanimously that this would deprive Walmart of defences in individual cases that it was entitled to.
法院一致认为，这样的裁决会使沃尔玛在个案官司中丧失本应拥有的辩护权利。
AMERICA and other countries still have to fine-tune their cyber-defences to distinguish mere nuisances from real menaces.
美国与其他国家仍须调整网络防御措施，以区分单纯的滋扰和真正的威胁。
One report suggests he was in charge of several road checkpoints around the capital, which were a key part of security defences.
一份报道显示，他负责首都周围几个道路检查点的安全，这是安全防御的关键部分。
Cadbury is readying its defences against a hostile takeover bid from the US food group Kraft, which is expected to come today.
吉百利正准备抵御美国食品厂商卡夫预计在明天发动的恶意收购。
The rush to build takeover defences follows legal changes that have made it easier for foreign companies to buy Japanese groups.
建立并购防护措施的行动源自于日本法律的变化，这种变化降低了外国公司收购日本企业的难度。
In the past couple of years they have renewed their cross-shareholdings and built takeover defences, which protect them from outsiders.
在过去的两三年里公司对交叉控股进行升级并建立起并购防御。
I imagine that the impact would depend upon how quickly the oceans rise, and how much money was available for building new defences.
我想海水的冲击将取决于海平面上升有多快，以及有多少资金能够用于建筑新的堤坝。
It could also improve blood flow in cells, which protects healthy cells but leaves cancer cells vulnerable to the body's natural defences.
另外，这种治疗方法增加了细胞的血液供应，保护了正常细胞，使癌细胞更易于被机体的自然防御系统所攻击。
It could also improve blood flow in cells, which protects healthy cells but leaves cancer cells vulnerable to the body's natural defences.
另外，这种治疗方法增加了细胞的血液供应，保护了正常细胞，使癌细胞更易于被机体的自然防御系统所攻击。
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