The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards.
真正安全的系统只能关机断电,放到一个混凝土浇注的建筑物中的一个密闭的房间中,并配备警力进行守卫。
Before we can do anything String-specific with that retrieved value, we have to cast it to a String, even when the retrieved element was added in the same code block!
在对检索到的值进行任何特定于String的操作之前,必须将它强制转换为String,即使是将检索到的元素添加到同一代码块中,也是如此!
The engine crankcase and block are usually cast into one piece and therefore can be seem as the largest and most intricate piece of metal in automobile.
发动机曲轴箱和气缸体通常铸造成为一体,因此算作汽车中最大且最复杂的金属结构。
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