The reasons could be technical or biological.

原因可能是技术上的，也可能是生物学上的。

The inspectors were searching for nuclear, chemical or biological weapons.

视察员正在搜寻核生化武器。

Air pollution is when anything chemical, physical or biological changes the atmosphere.

当任何化学、物理或生物物质改变大气时，就产生了空气污染。

The country was slapped with ruinous sanctions and was banned from developing nuclear, chemical or biological weapons.

朝鲜受到了毁灭性的制裁，并被禁止研发核武器、化学武器或生物武器。

In essence, international law forbade the use of chemical or biological weapons in war.

本质上，国际法禁止在战争中使用化学或生物武器。

This area is one of the largest intact ecosystems or biological environments in the world.

该地区是世界上最大的完整生态系统或生物环境之一。

Get this wrong, and AI could make it easier to build chemical or biological weapons.

如果这个错误的话，人工智能可能会让制造化学或生物武器变得更容易。

The ministry said Russia could be planning a fabricated chemical or biological attack, which it would then blame on the Ukrainians.

国防部称，俄罗斯可能正在策划一场无中生有的生化武器袭击，然后将其归咎于乌克兰方面。

Instead of simply explaining menstruation to children from a textbook or biological standpoint, we adopted an innovative approach.

我们不是简单地从教科书或生物学的角度向孩子们解释月经，而是采用了一种创新的方法。

Another common method is larviciding in which chemicals or biological larvicides are added to standing water to kill larvae, ” she aid.

另一个常见的办法是用杀幼虫剂，用化学品或生物杀幼虫剂添加到静水中来杀灭幼虫。”

" Saddam Hussein must not be allowed to threaten his neighbors, or the world, with nuclear arms, poison gas, or biological weapons" .

" 决不能让萨达姆·侯赛因用核武器、毒气或生物武器威胁邻国或全世界。"

Physical anthropology, or biological anthropology as it is also called, concerns the study of human biological or physical characteristics and how they evolved.

自然人类学，或称为生物人类学，正如其名，是讨论人类的生物学和自然学特点，以及这些特点是如何演化的。

One of the reasons the weekend group may have been more affected is because their circadian rhythm, or biological clock, had been altered, depriving the body of certain hormones.

周末补觉组受的影响更大，其中一个原因是他们的生物钟被打乱了，导致身体的某些激素丧失。

This might involve developing ways to assess a model's ability to develop cyber-attack tools, say, or its willingness to provide advice on making chemical or biological weapons.

这可能涉及开发方法来评估模型开发网络攻击工具的能力，或者提供有关制造化学或生物武器的建议的意愿。

And one idea is that it's abuse plus some sort of genetic or biological predisposition to dissociate and in fact, people with dissociative identity disorder seem to be very susceptible.

一种想法是， 这是滥用加上某种遗传或生物学倾向来解离，事实上，患有分离性身份障碍的人似乎非常容易受到影响。

Researchers want to use their battery to power things like contact lenses with integrated displays, or biological sensors or even wearable tech, so the hope is that their battery too will one day be recharged biologically.

研究人员希望使用他们的电池为带有集成显示屏的隐形眼镜、生物传感器甚至可穿戴技术等设备供电，因此希望他们的电池有一天也能进行生物充电。

The ancient and recurrent history of humans recognizing bears as either spiritual or biological brethren sets the tone for the book, which provides rich lessons for understanding our ursine neighbors and how their lives have intertwined with our own.

人类将熊视为精神或生物兄弟的古老而反复出现的历史为这本书奠定了基调，这为了解我们的熊邻居以及它们的生活如何与我们的生活交织在一起提供了丰富的经验教训。