ruggedness

基本解释

Desperately needs to be tested for ruggedness (is that a hint for me, Tog?)
急需针对严苛使用状态的测试（这是对我的一个暗示么，Tog？）
The steepness and ruggedness dismay us, and so we stay in the misty valleys and do not learn the mystery of the hills.
山程的崎岖、峻峭，寒了我们的心，因此我们终生耽搁在雾谷中，从不会了解山顶上的佳境。啊！
Meanwhile, the induction motor’s big advantage—apart from its simplicity and ruggedness—has always been its ability to tolerate a wide range of temperatures.
同时，异步电动机的优点除了结构简单且强度好外，异步电动机还能在温度大幅度变化的环境下正常工作。

t seems as if nature had saved all her ruggedness to pile it up in this colossal form of the Guadalupe Peak ...

In other words, the weight loss isn't coming at the expense of ruggedness.
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