Chemical sampling could then look for signs of biological activity.

通过化学取样寻找生物活动的迹象。

The environment itself was now modified by the biological activity of these individuals.

环境本身现在被这些个体的生物活动所改变。

First, you have to chemically fix the tissue — basically stopping all biological activity, like a snapshot in time.

首先，你必须化学修复组织——基本上需要停止所有生物活动，就像时间快照一样。

As of yet, Curiosity has not detected any methane—its presence might point to ongoing biological activity on the Red Planet.

截至目前，好奇号还没有探测到任何甲烷气体，甲烷的存在可能能证明火星上存在生物活动。

Biological activity enhanced, she says, by a very positive externality of cattle. That cow is pooping as we speak.

她说，牛的非常积极的外部性增强了生物活动。我们说话的时候那头牛在拉屎。

And their biological activity also releases additional CO2 and nitrous oxide into the environment, creating the possibility of further magnifying the climate problem.

它们的生物学行为 也会释放额外的二氧化碳一氧化二氮进入环境，可能进一步加剧气候问题。

This little bacteria [that] used to be a small, subdued microbial activity in the soil biological activity, has grown now into a monster.

这小小的细菌曾经那么微不足道，只是土壤生物活动中微小的一环，现在却成了一个大麻烦。

Stella’s biological activities including her rate of aging and her perception of time itself.

Stella 的生物活动，包括她的衰老速度和她对时间本身的感知。

No technology that can do what thousands of years of rock weathering and biological activity have achieved.

没有任何技术可以达到数千年的岩石风化和生物活动所取得的成就。

Therefore, if there’s not enough iron, then you have less biological activity, which, of course, affects the carbon cycle.

因此，如果铁含量不足， 生物活性就会降低， 这当然会影响碳循环。

Seeing oxygen in another planet's atmosphere would be a giveaway of biological activity because the gas is so reactive that it needs to be continuously renewed.

在其他星球的大气层发现氧气则表明这个星球上有生物活动，因为氧气是一种非常活跃的气体，所以他需要不停的更新。

What it has done is revitalize this coastal area in quite an amazing way and created a lot of new habitat and a lot of biological activity.

它以一种相当令人惊叹的方式重振这一沿海地区，创造了许多新的栖息地和许多生物活动。

They defined organic agriculture as an ecological production management system that promotes and enhances biodiversity, biological cycles, and soil biological activity.

他们将有机农业定义为促进和增强生物多样性、生物循环和土壤生物活性的生态生产管理系统。

This little bacteria used to be a small, subdued microbial activity in the soil biological activity, has grown now into a monster.

这种小细菌曾经是土壤中生物活动受抑制的小型微生物，现在已经成长为怪物。

That's because all time-based processes in the ship will slow down as well — clocks and electrical devices; Stella's biological activities including her rate of aging and her perception of time itself.

因为飞船上所有基于时间的进程也都会变慢——时钟和电子设备、包括史黛拉衰老速度在内的生理活动、以及她对时间的感知。

You also have just a lot more biological activity in the soil. And that turns out to be the cornerstone of sustainability for the whole food system.

你在土壤中也有更多的生物活性。事实证明，这是整个食品系统可持续发展的基石。