Since the circulatory system is a closed loop, cardiac output and venous return are equal.

由于循环系统是闭环，心输出量和静脉回流血量是相等的。

We've invested with partners like Closed Loop to support infrastructure, and also we support kind of responsible extended producer responsibility to actually help build that because we know that we can't make all the recyclable products we want.

我们已经与闭环这样的合作伙伴一起投资支持基础设施，我们也支持负责的生产者延伸责，际帮助建设这一体系，因为我们知道我们不能生产我们想要的所有可回收产品。

Here's why the crypto industry's collapse has happened in a closed loop.

下是为什么加密行业的崩溃发生在一个闭环中的原因。

Organizers say they're holding the games in a closed loop system.

组织者说，他们将在一个闭环系统中举办奥运会。

Soon it will be a closed-loop system.

不久，这将成为一个闭环系统。

It feels like testing Ava through conversation is kind of a closed loop.

感觉通过对话测试艾娃是一种闭环。

He adapted the closed-loop system that allows astronauts to re-use shower water again and again.

他采用了闭环系统, 允许宇航员重复使用淋浴水源。

However, in order for crops to grow using this method, plants are placed in a controlled environment, grown not under the Sun, but under LED lights, and watered with recycled water pumped on a closed-loop system.

然而，这种种植方法需要把植物放置在一个受控的环境中，让植物接受 LED 灯的照射（而不是阳光的照射），并用闭环系统泵出的循环水浇灌。

China's closed loop system keeps them separate from the rest of Beijing as they train, compete or hang-out in the Olympic Village.

中国的闭环系统使得参选手在奥运村训、或闲逛时都与北京其他区域分隔开。

We've seen the close loop management, tens of thousands of people that put the greater family before their small family, they stick to their posts for many many months and showcase their responsibility and spirit.

闭环内数万名工作人员，舍家忘我、坚守数月，展现了感动人心的精神风貌和责意识。

And those two things at conflict, wanting only to sort of stay in that spiral, not looking for any light, but I think it's a real exercise in being a human being, because I think it's impossible as hard as we try.

两种内心状态不断拉扯：一方面只想沉溺于黑暗闭环，拒绝何光亮；但人性本能又无法彻底封闭内心，无论他如何强迫自己麻木，心底的柔软终究会流露。

Together, the studies portray an academic system in which most faculty members are trained at a few universities, and academic researchers generally come from families with similar backgrounds, setting up a cycle of sameness.

总的说，这些研究描绘了一个学术体系，在这个体系中，大多数教员都在少数几所大学接受教育，学术研究人员通常拥有相似的家庭背景，形成了一个相同的闭环。

Bales said some people might think it is acceptable to leave roadkill where it is so that the " circle of life" can be completed.

贝尔斯说，有些人可能认为，被撞死的动物留在原地就行，这样“生命圈”就构成一个完整的闭环。

The concept of a circular economy, where resources are used, recovered, and regenerated in a closed loop, is being embraced by forward-thinking businesses and governments.

循环经济的概念, 资源在哪里被使用、回收、并在闭环中再生, 正被具有前瞻性的企业和政府所接受。

The volunteers are assisting various groups of people including athletes, journalists and officials in the closed-loop system for the duration of the Olympic Games.

在奥运会期间，志愿者们在闭环系统中协助包括运动员、记者和官员在内的各种人群。

Officials say all new cases they detected in Lhasa are in high-risk areas, at designated quarantine sites, or among people under closed management.

官方表示，拉萨新增阳性病例均在高风险区、集中隔离场所、闭环管理人员中。

The vice premier also underscored the importance of closed-loop management and testing, while calling for resolve to cut community transmission of the virus.

孙副总理还强调了闭环管理和检测的重要性，同时强调要坚决阻断病毒在社区传播。

In the afternoon, the torch relay will be held at two places in Beijing, including the Olympic Forest South Park inside the closed-loop.

下午，火炬传递将在北京的两个地方举行，包括奥林匹克森林南方公园内的闭环。

Closed-loop scrubbers keep most of the water used in the cleaning process on the ship for disposal later at a port.

而闭环洗涤器将清洗过程中使用的大部分废水保留，待靠岸之后再处理。

You can recycle virtually any used material, so long as you don't mix it together and that's called closed loop recycling.

你几乎可回收何用过的材料，只要你不把它们混合在一起，这就是所谓的闭环回收。