Small angle x-ray scattering 小角X射线散射 ; x射线小角散射 ; 小角X光散射 ; 小角X
small angle X-ray 小角X射线
small angle x-ray diffraction 小角x射线衍射
small angle x ray diffraction 小角x射线衍射
small-angle x-ray diffraction 小角x射线衍射
small-angle camera 小角照相机 ; 低角摄影机
Small angle 小角
a small angle 小角度
small angle xrd 小角度xrd
I bring them together, and I use the small-angle approximation, small angles.
把它们放在一起，用小角近似值。
But you never had to make any small-angle approximation with the spring as we had to do with the pendulum.
但是你不用用弹簧，做小角近似值，就像我们用摆做的一样。
So I simply have, in my small-angle approximation, t It's approximately, but I still put an equals sign there.
所以，在小角度近似值中，就等于mg, that, I, can, make, t, the, same, as, mg。，这是近似值，但是依然写等于号。
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