When you pad across a river bottom, touch the rind of an aged cheese, tend your garden soil, or brush your teeth, you're coming into contact with these invisible ecosystems.

当你踏过河，摸陈年的奶酪表皮，料理花园里的土壤，或者刷牙，你都在与这些看不见的生态系统发生接。

This is to ensure that in the unlikely event of a system failure, we can restore our Twitter clone's operation swiftly.

这是为了确保在不太可能发生系统故障的情况下，我们可以迅速恢复 Twitter 克隆的运行。

Cooling systems at three of its reactors failed causing them to meltdown.

三个反应堆的冷却系统发生故障进而熔融废弃。

And conversion errors for dosage are to blame.

罪魁祸首就是在用两种系统转换剂量发生错误成的。

Given these limitations and concerns, even if this mode of obtaining consent is to move forward, it likely won't fully protect automakers from their legal liability should the system malfunction or an accident occur.

鉴于这些局限性和顾虑，即使这种获取同意的模式得以推进，也可能无法充分保护汽车制商在系统出现故障或发生事故免于承担法律责任。

There have been pedestrian accidents when systems didn't respond to people.

也曾发生系统未识别行人的事故。

There have been two serious accidents in the recent past.

该系统最近发生了两起严重事故。

Botanical garden can use to make models of what's happening in in various ecosystems.

植物园可以用来制作各种生态系统中正在发生的事情的模型。

No major flooding was reported inside the flood control system that protects New Orleans.

据报道，保护新奥尔良的防洪系统内部没有发生大洪水。

What is happening to the world's ecosystem?

世界生态系统发生了什么事？

If it hijacks the immune system, and a cytokine storm occurs?

果被它操控了整个免疫系统 并且发生了细胞因子风暴？

If we can just skew the response of our immune system so it triggers an antiviral response without the pro-inflammatory effects, then we might have something we can work with in terms of a novel therapeutic for humans.

果我们只是让自身免疫系统发生偏差，这样就可以在没有任何炎症的情况下抗击病毒，因此我们可以利用这种新方法治疗人类疾病。

So in the 16th Century, Pope Gregory XIII tweak the system again so that leap ears would occur in any year that's divisible by four, but only in centuries that are evenly divided by 400, confusing, I know.

所以在16世纪，教皇格里高利十三世再次修改了系统，使得闰年发生在每四年一次的年份中，但只有能被400整除的年份才是闰年，令人困惑，我知道。

If you think about the traditional role of operating systems, operating systems are very much needed whenever there is a real change in the system architecture.

一想到操作系统传统意义上的角色，每当系统架构发生巨大变化，新操作系统的出现也会变得极为迫切。

Febrile seizures can also develop after vaccinations that really stimulate the immune system, like the measles, mumps, rubella, varicella vaccine, but the frequency is quite low and the benefits of vaccination outweigh this risk.

热性惊厥也可能在接种了刺激免疫系统的疫苗后发生，比接种了麻疹、腮腺炎、风疹、水痘疫苗等之后，但发生频率很低，而且接种疫苗的好处肯定是大于风险的。

In the criminal justice system, similar to things like mass disasters, where we have degradation of samples, we have a lot of samples in crime scenes that are exposed to environmental conditions.

在刑事司法系统中，发生大型灾难，犯罪现场中有很多样本因暴露于环境条件下而被降解。

" There is compelling evidence globally of a massive shift, a tipping point, in the Earth's system, " said Prof Francine McCarthy, a geologist at Brock University, Canada, and AWG member.

加拿大布洛克大学的地质学家、AWG成员弗朗辛·麦卡锡教授说：“全球有令人信服的证据表明，地球系统发生了巨大的变化，出现了一个临界点。”

As we progress and pick up the study of our dream universe once more, we will be involved also with the study of mental events as they occur within both systems.

当我们取得进展，再次拾起对我们梦境宇宙的研究，我们将同涉及对精神事件的研究，随着它们在两个系统中发生。

The source of the problem was the fuel system and immediately after the incident work was carried out to improve its design.

问题的根源是燃油系统，在事故发生后立即进行了改进设计的工作。

Second, blood backing up in the systemic veins leads to portal systemic shunts, which happens in the three points where the systemic venous system and hepatic portal system are connected.

其次，淤积在体静脉的血液成门脉-体静脉系统分流，发生在三个部位，即体静脉系统与肝脏门脉系统相连接的地方。