There are good reasons why crop plants do not use dryness defenses already.

已有充分的理由可以说明农作物为什么不使用干旱防御。

They have different defenses that help them survive in the wild.

它们有不同的防御措施来帮助它们在野外生存。

This was the first suggestion of algal defenses against grazing.

这是藻类抵御放牧的第一次迹象。

Angry owners have called on the Government to erect sea defenses to protect their homes.

愤怒的业主呼吁政府建立海防来保护他们的家园。

Perhaps we should give special attention to the conservation of such plant species since they lack key factors in their defenses against the environmental disruption caused by pesticide use.

也许我们应该特别注意保护这类植物，因为它们缺乏关键的因素来抵御由使用杀虫剂而造成的环境破坏。

The city's defenses were too strong.

维克斯堡城的防御工事实在是太坚固了。

You saw a centric model of three layered defenses.

在其中介绍了包含三个防御层次的中央模型。

The outpost didn't have enough soldiers or defenses.

据点没有足够的士兵或防御措施。

Limits to defenses against warmth and acidic waters.

抵抗气候变暖和酸化水质的极限。

The scientists are running up against plants' natural defenses.

科学家们启动破坏植物自然防御系统的研究。

Scientists say vitamin D is vital in activating human defenses.

科学家表示，维他命D对激活身体防御系统至关重要。

Employing active cyber defenses and other new defense approaches.

积极运用赛博防御和其他新的防卫方法。

It requires confidence, openness, and letting go of defenses.

这个过程需要信心，开化以及放开戒备。

The United States took the lead in knocking out Libyan air defenses.

在摧毁打击利比亚空中防御系统方面，美国是占据领先优势的。

When something seems so simple, people drop their defenses and believe it.

当事情看上去那么简单的时候，人们会放弃防御而相信它。

Ants are another group of insects and have powerful chemical defenses.

蚂蚁是另一群拥有强大的自卫性化学武器的社会昆虫。

Chapter 12 on network defenses exemplifies Schneier's progressive thinking.

12章讲述了网络防御，举例说明了Schneier改进的思想。

Achton waited, looking out at the array of defenses beyond Styrling's walls.

阿克通等待着，远望着斯蒂尔林墙后的防御部署。

But the body's natural defenses are usually strong enough to prevent an active case.

但是身体的自然抵抗能力通常很强大，足以阻止活跃的病症。

Intel plans a hybrid security technology that will combine software with chip-based defenses.

英特尔公司正计划一项混合的安全技术，就是将结合基于芯片的防御到软件中。

We lack the defenses others have evolved; our hearts are easily broken and hard to repair.

我们缺少别人进化好的自我防卫，我们的心易碎并难以修复。

Those plant species are also themost likely to develop broader defenses against predators.

而这些植物种类也是最有可能进化为最具抵抗能力的物种。

These small particles can get past the body’s normal defenses and penetrate deep into the lungs.

这些小颗粒可以穿过人体正常的防御通道，渗透到肺部深处。

These defenses effectively stop any attacks based on the parser making external network connections.

这些防御措施有效地阻止了基于解析器创建外部网络连接的所有攻击。

Bottom-dwelling creatures like mussels, brittle stars and sea urchins have not developed any defenses.

类似贻贝、海蛇尾和海胆这样生活在海底的生物尚未演化出任何防御能力。

If you don't explore whether you can penetrate your own defenses, how can you know they're secure?

你如果不试试能否侵入自己的防卫系统，又如何确信它是安全可靠的？

There is also a castle in Europe with defenses set to defend against an attack from the inside out.

欧洲还有一处城堡其防御设施是用于防御来自地内的攻击。