Steel's fragility at low temperatures first became a major concern during the Second World War.
第二次世界大战期间，钢在低温下的易碎性首次成为人们关注的主要问题。
All the students had their teeth X-rayed at the end of the first and second years.
所有的学生都在一年级和二年级结束时做了牙齿X 光检查。
Nearly three-quarters of the first group guessed that Mr.Williams worked at a managerial level, while only 38.5 percent of the second group thought so.
第一组中有近四分之三的人认为威廉姆斯先生从事管理层工作，而第二组中仅有38.5%的人这样认为。
Nearly three-quarters of the first group guessed that Mr. Williams worked at a managerial level, while only 38.5 percent of the second group thought so.
第一组中有近四分之三的人认为威廉姆斯先生从事管理层工作，而第二组中仅有38.5%的人是这样认为的。
OK, we'll have a careful look at the content of your case study in a minute, but I just want to make a general comment first, before you start writing your second draft.
好的，我们稍后会仔细看一下你的案例研究的内容，但是在你开始写第二稿之前，我想先做一个大概的评论。
The second C919 large passenger plane completed its first flight at Shanghai Pudong International Airport on December 17th, 2017.
2017年12月17日，第二架 C919 大型客机在上海浦东国际机场完成首飞。
At last we saw my collection! It had a label on it, marked "First Prize", and next to it came the boy's moss, marked "Second Prize".
我们终于看到了我的收藏品！上面有一个标签，标着“一等奖”，旁边是男孩的苔藓，标着“二等奖”。
I made every textbook mistake at my first startup, which is why I believe I was much more effective at my second one.
凡是教科书上提到过的错误，我在首次创业时都犯了，因此在第二次创业时我自信自己已有长足的进步。
Germany finished third at the 2006 World Cup and second at the 2002 World Cup, making it the first team to collect three straight top-four finishes at the World Cup without winning any of them.
德国在2006年世界杯上名列第三，在2002年世界杯赛中夺得第二。德国队是世界上首个连续三次成为世界杯四强但这三次却一次也未能夺冠的球队。
That means the first or second week of May, at the earliest.
也就是说该项协议最早也要等到五月的第一或者第二周才能实施。
Of the technologies people say they cannot live without, high-speed Internet came in first at 28 percent and email was second at 18 percent.
在被问及离开何种科技就无法生活时，高速互联网以28%的得票率高居榜首，电子邮件排在第二，得票率为18%。
A message sent at 9.04am said that the fuselage of the first plane at the north tower had caused a second explosion - misinterpreting the second strike at the south tower.
上午9：04，一条发出的信息称，撞上北塔的飞机机身导致了引起了第二次爆炸——其实第二次是撞在了南塔上。
At first, she wanted to call the guards, but on second thoughts she changed her mind.
起先，她想叫卫兵，但是一转念又改变了主意。
Similarly, when the researchers looked at entering and exiting test scores in first, second and third grades, they found that some classes made much more progress than others.
相类似，研究显示小学一、二、三年级入学和结业考试在班级之间也有很大差异。
You may need to work hard on your active listening skills, but eventuallythey'll become second nature. At first, you may consider this type of behaviorto be role-playing.
当然，你必须加强联系你的倾听技巧，不过这最终将成为你的“第二天性”。
"It feels great," Nishikori said afterwards. "I was missing too much in the first set, but at the end of the second set, I started playing well."
这感觉太美妙了，“锦织圭说，”我在第一盘出现了太多的无谓失误，但是第二盘的末端，我找回了完美的击球手感。
The first check should be done at or before that point, while the second should be done at regular inspection channels.
第一次检查应该在这个地方或之前完成，而第二次检查将通过常规检查渠道完成。
Next, let's look at the differences between the first and second group.
下一步，让我们看一下第一组与第二组之间的差别。
Having gone through the first part of the jungle, we now arrive at a second crossroads: how is the applicable law determined in international unfair competition cases?
穿过第一部分的丛林，我们现在到达第二个十字路口：在国际不公平竞争的情况如何决定适用的法律？
However, we can be certain that if the program doesn't hit the first base case it will at least hit the second one when it gets to the end of the list.
不过，我们可以断言，如果程序不能达到第一个基线条件，那么当它到达列表末尾时至少能达到第二个基线条件。
The first training cycle will be taking place at Tapa Air Defence Battalion and the second in France.
第一个训练周期将在塔帕防空营进行，第二阶段训练在法国进行。
Poor outcomes are largely related not only to dosage but to a woman's stage of pregnancy at the time of exposure; first and second trimesters are of the most concern.
缺陷在很大程度上不仅取决于照射的剂量还取决于孕妇阶段所受到的照射。最初的三个月和其后三个月是最重要的阶段。
While at first this may take conscious effort, eventually, it will become second nature.
刚开始这需要有意识去做，不过最终，它将会变成你的第二天性。
I'd recommend setting this to 5 seconds at first and move it down to 1 second over time, depending upon your data set.
我想建议将该阈值首先设置为5秒，随着时间的推移将其缩减为1秒，具体取决于您的数据集。
I'd recommend setting this to 5 seconds at first and move it down to 1 second over time, depending upon your data set.
我想建议将该阈值首先设置为5秒，随着时间的推移将其缩减为1秒，具体取决于您的数据集。
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