可要到那一天，我们仍有很长的路要走，因为我们发明的大多数纳米“机械装置”仍需大范围的干预或者精心布局来实现任何设想。
But we're a long way off from that future, as most of the nanoscale "machinery" we've created requires extensive intervention or carefully prepared conditions in order to do anything.
它提供了一个大范围的测试，包括测试出错的图片、测试在不同大小屏幕上的布局、浏览cookie信息以及校验标记。
It provides a wide range of tests, including testing for broken images, testing layouts in multiple screen sizes, viewing cookie information, and validating mark-up.
大都市群有着大范围的电力照明和特别的道路布局，因此在卫星轨道的高度上都能辨认。
Large urban areas are recognizable from orbit due to extensive electric lighting and distinct street patterns.
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