This text has expounded a designer should consider utilize the basic earth network of the skyscraper as the earth device at first, if not, should design the artificial earth device.
本文阐明了设计人员应首先考虑利用高层建筑基础接地网作为接地装置。当不能利用基础接地网作为接地装置时,应该设计人工接地装置。
So what happens when most of the residents of planet Earth carry a device that gives them instant access to pretty much all of the world's information?
那么,当地球上的大部分居民都拥有一部可以立刻获取几乎全世界所有信息的设备时,将会发生些什么呢?
In the late 16th century, Hans Lippershey, an eyeglass-maker in Holland, applied for the first telescope patent, claiming invention of a device that made distant objects on Earth appear closer.
16世纪晚期,荷兰的一个眼镜工匠汉斯·利伯希(Hans Lippershey)申请了第一个望远镜专利,声称发明了一个能使地球上远处的物体看起来更近的装置。
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