Many programs intended to be secure have had a vulnerability called a time of check - time of use (TOCTOU) race condition.
有很多确定为安全的程序都存在称为“time ofcheck- time of use”(TOCTOU)的竞争条件缺陷。
The concentration of effective chlorine increased with the volume of disinfectants in use and decreased with the time of use.
有效氯浓度随用量的提高而增加，随作用时间的延长而下降。
But the mood quickly soured when it turned out that many households on the "time of use" rate plan actually paid more than ordinary ones.
可是后来许多在“使用时间”费率计划上住宅用户发现自己实际支付的电费竟比一般用户高时，大家的情绪迅速变坏。
Storage areas should be clean, dry, well ventilated and free of combustible materials to ensure that cylinders remain clean up to the time of use.
为确保气瓶在使用之前的清洁，储存区应是干净、干燥、通风良好以及无易燃物的地方。
The owners of Cyber Cafes are obligated to ask all of their customers for identification, leave a name registration and time of use, and report them to the authorities.
网吧经营者有责任要求网吧顾客提供有效证明，登记客人姓名、上机时间，并向官方报告。
The system is particularly beneficial in states with large time of use differences in electricity pricing such as northeastern states like Connecticut and west coast states like California.
在美国东北部地区如康涅狄格州和加州等西部海岸州，不同时期用电，电价差异较大，因此在这些州安装该系统受益最大。
In writing your applications, you can use all the shared facilities of the GNOME platform, making your development time even more efficient.
在编写应用程序时，您可以使用GNOME平台的所有共享工具，从而使您的开发时间更加高效。
Although homo sapiens did not exist at that time, this discovery provides no basis to the claim that the controlled use of fire preceded the Homo sapiens.
尽管智人在那个时候还不存在，但这一发现并不能为认为在智人之前就有节制地使用火的说法提供任何依据。
Consider humans as part of these ecosystems, you've probably heard about water shortages or restrictions on how much water you can use, especially in the summer time, in recent years.
考虑到人类是这些生态系统的一部分，你可能听说过，水资源短缺可能会限制你可以使用多少水，特别是近些年夏天的时候，
These days, because leisure time is relatively scarce for most workers, people use their free time to counterbalance the intellectual and emotional demands of their jobs.
如今，由于休闲时间对大多数工人来说都相对较少，人们通常利用空闲时间来平衡工作中智力及情感上的需要。
Over time, wives were less likely to use destructive strategies or withdraw, while husbands' use of these behaviors stayed the same through the years.
随着时间的推移，妻子不太可能使用破坏性的策略或退缩，而丈夫对这些行为的使用多年来保持不变。
For example, consumers could use appliances in a more efficient way by adjusting the time of cooking to the type of food.
例如，消费者可以根据食物种类调整烹饪时间，从而更高效地使用电器。
Go into the negotiations prepared to place your chips on the table at the appropriate time and prepared to use communication style to guide the direction of the interaction.
参与谈判时，随时准备在适当的时候拿出你的筹码，并准备好用适当的交流方式引导谈话的方向。
To build up a better picture of fluctuations appreciably further back in time requires us to use proxy records.
为了更好地了解更早时期的波动，我们需要使用代理记录。
In this age of information, those who can't use a computer can't keep pace with time.
在这个信息时代，不会用电脑的人就跟不上时代步伐。
In fact, an English dictionary like the kind you use today wasn't made until the time of the Qing Dynasty.
事实上，你现在使用的这种英语词典是清代以后才开始编写的。
Most of the time, teachers make sure their students do not use photocopied materials.
大多数时候，老师会确保他们的学生不会使用影印材料。
There was a gate, but as a general thing he was too crowded for time to make use of it.
有一扇门，但就像平时一样，他太着急了，没有时间去利用它。
Perhaps some more constructive use of our time could be spent at researching corals that do survive, like in areas known as refugia.
也许我们可以更加建设性地利用时间来研究那些的确幸存下来的珊瑚，比如那些在被称为“残遗种保护区”的地方。
The birds will be encouraged to clean the park through the use of a small box that delivers a small amount of bird food each time the rook deposits a cigaret and/or a small piece of rubbish.
每当白嘴鸦丢下一根香烟或一小块垃圾的时候，人们就会用一个装了鸟食的小盒子来鼓励鸟儿们打扫公园。
Though "easy" may be welcome, unluckily it's of little use for any long time development of reading skills and the general language level.
虽然“简单”可能是受欢迎的，但不幸的是，它对长期发展阅读技能和一般语言水平几乎没有用处。
This was also the time of the industrial revolution, which brought a tremendous increase in the use of fossil fuels such as coal.
它也是在工业革命时期的，带来了煤等化石燃料使用量的巨大增长。
Xiaofan, a smart boy from Shenzhen, used to have difficulty in getting up on time, and his alarm clock was of no use at all.
小凡，一个来自深圳的聪明男孩，曾经很难按时起床，他的闹钟根本没用。
Today, Chinese people still use these fans, only not many people write or paint on them anymore. Next time when you are waving a fan, you may think of the stories behind it.
今天，中国人仍然使用这些扇子，只是不再有很多人在上面写字或画画了。下次当你挥舞扇子的时候，你可能会想起它背后的故事。
The supply of oil can be shut off unexpectedly at any time, and in any case, the oil wells will all run dry in thrty years or so at the present rate of use.
石油供应可能会随时意外中断；不管怎样，以目前这种消费速度，只需30年左右，所有的油井都会枯竭。
Long-time use of phones is harmful to children's health.
长时间使用手机对孩子的健康有害。
This is worrying, as long-time use of smart phones harms children's eyesight, cervical vertebrae and even the brain.
这令人担忧，因为长期使用智能手机会损害儿童的视力、颈椎甚至大脑。
It is necessary to learn to manage time and make good use of every minute.
有必要学会管理时间，好好利用每一分钟。
Cathy always makes good use of her time to study, even during her lunch break.
凯茜总是很好地利用时间来学习，哪怕是在午休的时候。
Is it possible to make use of this time and learn a new skill or even a language?
有没有可能利用这段时间学习一项新技能，甚至一门语言？
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