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现在你已经了解了这两个参数——快门速度和光圈大小，他们从本质上来说有同一个功能：控制进入相机的光线总量。
So you have these two parameters, shutter speed and aperture size, both of which do essentially the same thing: control how much light gets in.
从本质上讲，查询从了单一的 find* 方法加上一些参数转变为更出色的方法集。
In essence, queries move away from a singlefind* method packed with arguments to a chain of methods performed upon a simpler find .
这几乎被所有用户作为一个特性而不是一个bug：一个负的32位参数或者一个巨大的64位参数本质上总是一个编程错误。
This is considered by nearly all users as a feature rather than a bug: a negative 32-bit argument or a huge 64-bit argument is essentially always a programming mistake.
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