These examples were tested on real Bluetooth hardware, so you should see that as I iterated through the Vector, I "backed off" for two seconds before I continued through the loop.
这些示例在真正的蓝牙硬件上测试过，所以您应当看到，当我在Vector中迭代时，我在继续循环之前，“后退”了两秒。
It involved a series of black letters presented in the centre of a white screen. Each letter was shown for half a second and followed by a blank screen for two seconds before the next letter appeared.
一系列的黑色字母会出现在屏幕中央，每个字母呈现半秒，下个字母出现前持续两秒的空屏，要求参与者尽可能快速而准确地指出每个字母是否与前两个字母出现的字母相匹配。
When the researchers stretched the material, it turned bright red for a few seconds before it broke into two pieces.
当研究人员拉伸料子时，它会在被抻成两半之前几秒钟就变得鲜红。
Silently count to two or three seconds after the interviewer stops talking before you start.
在面试官说完后，默数两到三秒再开口说话。
Around ten seconds before participants reported making their conscious decision, patterns of brain activity in two areas correlated with the decision they would go on to make.
在参与者报告进行了有意识决策前大约10秒钟，参与者两个皮层区域的脑活动模式与他们将要进行的决策相关。
Now, if these two processes are run concurrently, you expect the first process to wait 4 seconds before acquiring the file_lock 50 percent of the time, all other things being equal.
现在，如果这两个进程同时运行，有50%的机会看到第一个进程等待4秒后才获得file_lock，其他情况都不变。
Actually, it begins and ends with eye contact, because if she realizes you haven't focused on her eyes for even two consecutive seconds, she'll lose attention before you even say a word.
实际上，眼神交流是一切的开始，也是一切的结束，她需要意识到你在看她的眼睛，至少要两秒钟，否则不等你开口说话，她的注意力就转移了。
Seconds after picking between two destinations, people rated their selected destination higher than before and rated the discarded choice lower than before.
在二选一之后几秒种，他们提高了选中的目的地的评级，同时降低了放弃的目的地的评级。
Wash your hands Before Eating - Washing your hands takes two seconds and kills thousands of germs that could potentially lead to illness.
饭前洗手——花两秒钟的时间洗手就可以杀死可以导致疾病的数千种细菌。
Actually, it begins and ends with eye contact, because if she realizes you haven’t focused on her eyes for even two consecutive seconds, she'll lose attention before you even say a word.
实际上，调情始于，也终于眼神碰撞，因为如果她发现你没有关注她连2秒种都不到，那在你开口之前，她就会失去兴趣。
Never interrupt. Silently count to two or three seconds after the interviewer stops talking before you start.
绝不要打断面试官。在面试官说完后，默数两到三秒再开口说话。
Then her eyes fell upon a bottle of gin and two glasses that had certainly not been present a few seconds before.
然后她的目光落在一瓶杜松子酒和两只玻璃杯上，那些东西几秒钟前肯定不在那儿。
Studies have shown that most interviewers make their decision to hire a candidate within the first two seconds, even before the first question is asked.
研究显示，大多数采访者，使他们决定聘请一名候选人，在最初的两秒钟，即使在第一个问题是问。
A deep breath should be taken before each cough, the cough must be repeated about every two seconds without let-up until help arrives, or until the heart is felt to be beating normally again.
在每次咳嗽前应先深呼吸，咳嗽必须不间断的、每隔2秒钟重复一次，直到救护人员抵达或者感觉心跳恢复正常为止。
When speaking to others, ideally look directly into their eyes at least two to three seconds before looking away or moving to the next person.
当你和其他人说话的时候，理想情况是直接看着对方的眼睛至少2到3秒才将眼神移开或者移至其他人。
The distance between the two stars before the first one moved is about the same as the diameter of the moon. It took the first star about five seconds to move through this distance.
两星的起始距离约为月面直径，走过这段距离所用的时间约为5秒，做加速直线运动。
The distance between the two stars before the first one moved is about the same as the diameter of the moon. It took the first star about five seconds to move through this distance.
两星的起始距离约为月面直径，走过这段距离所用的时间约为5秒，做加速直线运动。
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