如果一位电脑用户没有登出，所有人都可以进入该系统。
If a computer user fails to log off, the system is accessible to all.
如果系统不能正常工作，请您的丰田经销商检查。
If the system does not work properly, have it checked by your Toyota dealer.
如果公司雇员超过25人，就要必须安装自动喷水灭火系统。
Sprinkler systems must be installed if a company employs more than 25 people.
如果我们将要有一个新系统，接下来怎么办？
如果没有排水系统，地下水位就会上升，把溶解的盐带到地表。
If no drainage system exists, the water table rises, bringing dissolved salts to the surface.
也就是如勒杜所说，“如果把这个系统放进有意识的大脑里，你就会感到恐惧。”
That is, as LeDoux says, "if you put that system into a brain that has consciousness, then you get the feeling of fear."
如果有了混合交通系统的方式，只要司机在适当的道路上，自动驾驶就可以开始了。
If a mixed traffic system way was in place, automated driving could begin whenever the driver was on suitably equipped roads.
如果有必要的话，这样的系统可以使部队迅速地从一个地区转移到另一个地区。
Such a system could, if necessary, move troops quickly from one area to another.
如果你建立一个能覆盖整个交易过程，并产生有效的收据的内聚系统，一切都会变得更容易。
It would be so easy if you built a cohesive system that carries the entire transaction to create a receipt that is useful.
如果他们在系统布防时发现了什么问题，就会向基站发送无线警报信号，然后基站会发出警报。
If they detect something wrong while the system is armed, they'll transmit a wireless alert signal to a base station that will then raise the alarm.
他说：“儿童在应对重大搬迁时可能面临严重的困难，特别是如果搬迁使他们离开了目前的学校或支持系统。”
"Children may face serious difficulties in coping with significant moves, especially if it removes them from their current school or support system," he said.
如果有选择的话，那将是全球经济系统被毁，所以他们没有选择。
If there is a choice, it will be the destruction of the global economic system, so they have no choice.
我们这里有个问题，如果我们考虑要把能量降到最低，那么系统中应有很多环张力。
We have a problem here, if we're thinking about keeping things at the lowest energy, so there's a lot of ring strain in the system.
如果你真的需要取出很多组织，癌症很可能已经蔓延到了整个系统。
If you really needed to take out a lot of tissue, the cancer had, in all probability, already spread through the system.
如果不这么做的话，未来我们人类在生态系统中会变得无足轻重，人类的存在之本也可能会变得值得商榷了。
If we aren't, we won't be providing much value in future ecosystems, and that may put in question the foundation for our existence.
因为如果我们不是（最具有创造力的生物），我们将无法在未来的生态系统中提供多少价值，这可能会使我们存在的基础受到质疑。
Because if we aren't, we won't be providing much value in future ecosystems, and that may put in question the foundation for our existence.
听起来你需要一个助手，但这显然是不可能的，那如果有一个在线系统来帮助学生做他们的日程安排呢？
It sounds like you could do with an assistant but that's obviously not possible, so what about having an online system that students can use to do their scheduling?
即使是一个生态效率高得多的工业系统，如果它发展得更大，也会比更小、更不生态效率的经济产生更多的垃圾，破坏更多的栖息地和物种。
Even a vastly more ecoefficient industrial system could, were it to grow much larger, generate more total waste and destroy more habitat and species than would a smaller, less ecoefficient economy.
如果系统判断受到干扰，就会推送警报来通知你。
When the system thinks it's being jammed, it'll notify you via push alert .
如果负载超过了系统的容量，则不管最大消息的值是多少，消息都将排队等候。
Should load exceed the capacity of the system, messages will queue up irrespective of the maximum messages value.
今年2月，学校系统承诺，如果学校提前关闭，教师和工作人员将获得两个月的退休金，该协议将使学区多支出27.5万美元。
In February, the school system promised teachers and staff two months of retirement payments in case schools closed early, a deal that will cost the district $275,000 more.
然而，如果火成岩和变质岩中发生大规模的断裂，并且断裂系统相互连通，那么它们也可以作为地下水储集层。
However, even igneous and metamorphic rocks may act as groundwater reservoirs if extensive fracturing occurs in such rocks and if the fracture system is interconnected.
由于 Remo地区目前没有公司研制污染控制系统，所以这项计划如果得到执行，将为外国出口商提供大量机会向市场销售污染控制系统。
Since no companies in Remo currently produce pollution-control systems, the plan, if implemented, will create significant opportunities for foreign exporters to market pollution-control systems.
如果没有高效的交通系统，很难想象会有强劲的经济增长。
It is difficult to conceive of vigorous economic growth without an efficient transport system.
如果没有升级和新的技能力，桥梁、道路和电力系统就无法应对不断增长的人口数量。
Without upgrades and new capacity, bridges, roads and power systems are unable to cope with expanding populations.
每个系统都有漏洞，如果小偷具备相关知识，理论上就可以对其加以利用。
Every one of them has vulnerabilities that a knowledgeable thief could theoretically exploit.
如果采用了新的安全系统，事故就不会发生了。
If the new safety system had been put to use, the accident would never have happened.
“如果没有这一物种，生态系统就无法正常运转，甚至可能崩溃。”迪·马蒂诺说。
"In the absence of this species, ecosystems stop working well and may even collapse," Di Martino says.
我们越来越意识到，我们不能仅仅靠工程来控制地球系统，并且意识到如果我们希望生活在平衡中，我们需要调节我们的行为。
We're increasingly aware of the fact that we can't control Earth systems with engineering alone, and realizing that we need to moderate our actions if we hope to live in balance.
我们越来越意识到，我们不能仅仅靠工程来控制地球系统，并且意识到如果我们希望生活在平衡中，我们需要调节我们的行为。
We're increasingly aware of the fact that we can't control Earth systems with engineering alone, and realizing that we need to moderate our actions if we hope to live in balance.
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