With the iPhone 4, Apple changed the design of its antenna, embedding it in the steel-frame chassis.
新的iPhone 4中,苹果改变了其天线的设置,将其嵌在了有钢制框架的底座中。
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The tower’s light weight steel-frame construction is recyclable and environmentally friendly, while the safety glass on the roof creates the effect of a crystal rising in the mountains.
轻重量的钢框架是可回收的环保材料,而塔顶的安全玻璃创造了一种变高了的山的效果。
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In 1942 its steelframe was disassembled for use in fortifications and Bridges.