导向杆的两端分别固定在上下机台上。

The two ends of guide rods are respectively fixed to upper and lower platforms.

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它仍然具有正电荷，不能说明另外一个氯，不能固定在上面。

It still has positive charge, and there is nothing saying another chloride could not stick to it.

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躺在治疗椅上，金的顾客可以使用固定在上面的平面控制器看电视、看DVD，甚至上网。

Once in the dentist's chair, King's patients can use the attached flat-panel monitor to watch TV, play a DVD or surf the Web.

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I mentioned earlier, we thought about receptors as being these blocks and membranes but there are different families of receptors.

我之前讲过,我们把受体看做一类,固定在细胞膜上的分子,但受体有许多不同家族

耶鲁公开课 - 生物医学工程探索课程节选

This property of cells in culture is called anchorage dependence - that the cell needs to be anchored to a surface in order to function properly.

体外培养细胞的这种特性,称为贴壁依赖性--,意思是细胞必须固定在,某个表面上才能正常生长

耶鲁公开课 - 生物医学工程探索课程节选

So, if you're looking back, say, from the end of the nineteenth century, it's not easy to see, but you can see these-- don't ever think that history runs on railroad tracks, and all you need is the timetable to show when modernization shows up.

所以,当你回顾历史,从十九世纪的末尾开始,虽然不太容易,但还是可以看出...,别以为历史是在固定轨道上行进的,别以为你只用拿时刻表,就知道新时代什么时候来临

耶鲁公开课 - 欧洲文明课程节选