量子傅里叶变换是Shor算法中指数级加速的关键。
The quantum Fourier transform is the key to the exponential speedup in Shor's algorithm.
The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.
要理解宇宙,我们必须首先理解自己。