利昂娜将一些清洁剂放入洗碗机，关上门后按了开始键。

Leona put some detergent into the dishwasher, shut the door and pressed the switch.

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接著她按下了开始键，绿色灯亮起，影印机发出了运作的响韾—触觉。

She pressed the start button, a green light turn on and the noise of the moving machine parts can be heard-touch.

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可以使用点范围(即开始键和终止键相同)显式地搜索一个已知的hash值。

You can explicitly search for a known hash value with point ranges, in other words ranges with identical start and stop keys.

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So we started with 10 valence electrons, we used up 8 of those electrons in terms of making bonds.

我们一开始有十个价电子，然后用掉了八个电子来成键。

麻省理工公开课 - 化学原理课程节选

So let's see, we started with 8 bonding electrons, and we used up only 4, so the answer is yes, we have 4 bonding electrons left.

那么让我们来看看，我们一开始有八个成键电子，然后只用掉了四个，因此答案应该是还有剩余，我们还剩下了四个成键电子。

麻省理工公开课 - 化学原理课程节选

When it gets to thousands of atoms things start to condense because there is a capacity to form other bonds secondarily, which we will get to in a little bit.

当有成千上万的原子,开始浓缩,因为形成次级键,的趋势，然后得到的体积只有一点点。

麻省理工公开课 - 固态化学导论课程节选