除非

Personnel, including rescue workers, should not enter areas where the oxygen concentration is below 19.5%, unless provided with a self-contained breathing apparatus or air-line respirator.

除非备有自给式呼吸器或空气管呼吸器，任何人，包括救援人员，都不能进入氧浓度低于19.5%的区域。

It is notable, however, that only about 15% of the 75% is available unless air is also in contact with the underside of the wing or airfoil section.

这是显着的，不过，只有约15 ％的75 ％是可用，除非空气，也是在接触底机翼或翼型节。

Unless we turn around in the next five minutes, we'll have to ditch into sea because we won't have enough fuel to get back to the airstrip.

除非我们在5分钟之内折返，我们得在海上迫降，因为我们没有足够的燃料飞回机场。

Ako informs Arthur that unless he returns to his own time and makes Lucy pregnant, he and his family will cease to exist.

亚高告诉他，除非亚瑟回到他自己的时代并让露丝怀孕，否则亚高和他的家人将不会存在。

Yet they are also meant to be allegorical, to stand for something.

除非存在的消逝是处罚的一部分，但丁在他的笔下的形象少有具体化。

There is no alleviation for the sufferings of mankind except veracity of thought and action and the resolute facing of the world as it is.

人类的痛苦是不会减轻的，除非我们具有真正的思想行为，并以坚定的决心去面对现实的世界。

As for Spain, for instance, if you know how to throw in Don Carlos and the Infanta, and Don Pedro and Seville and Granada, from time to time in the right proportions -- they may have changed the names a little since I saw the papers -- and serve up a bull-fight when other entertainments fail, it will be true to the letter, and give us as good an idea of the exact state or ruin of things in Spain as the most succinct and lucid reports under this head in the newspapers: and as for England, almost the last significant scrap of news from that quarter was the revolution of 1649; and if you have learned the history of her crops for an average year, you never need attend to that thing again, unless your speculations are of a merely pecuniary character.

比如，说西班牙吧，如果你知道如何把唐卡洛斯和公主，唐彼得罗，塞维利亚和格拉纳达这些字眼时时地放进一些，放得比例适合--这些字眼，自从我读报至今，或许有了一点变化了吧，--然后，在没有什么有趣的消息时，就说说斗牛好啦，这就是真实的新闻，把西班牙的现状以及变迁都给我们详详细细地报道了，完全跟现在报纸上这个标题下的那些最简明的新闻一个样：再说英国吧，来自那个地区的最后的一条重要新闻几乎总是一***九年的革命；如果你已经知道她的谷物每年的平均产量的历史，你也不必再去注意那些事了，除非你是要拿它来做投机生意，要赚几个钱的话。

Some engines like Alta vista do not accept auto-submission unless you enter right submission code or choose correct category.

一些像Altavista的引擎不接收自动提交，除非你输入正确的提交验证码或是选择正确分类。

It won't leave hairs in your mouth and act as your pathetic alter ego unless you program it to do those things.

它不会在你口中留下狗毛，除非你编程，否则它不会扮演你的可怜的"另一面"。

I would not suggest it unless your out of good ammo.

我绝对不建议使用，除非你只剩下它和刀了。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。