Based on the prime radix DFT and number theory, an algorithm using the second order recursive filter and the zero factor prime radix Fourier Transform (ZFT) is presented.

从素基数DFT出发，应用数论理论讨论了一种应用二阶递归滤波结构的算法及零因子转换算法(ZFT)。

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Interest rates on savings accounts, and especially checking accounts, had been at or close to zero, or really negative when you factor in ATM fees.

之前，储蓄账户、尤其是支票帐户的利息接近于甚至等于零，如果算上自助柜员机的费用，实际上是负的。

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Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.

仿真和实验结果表明：所提出的变换器输入电流和输出电压为正弦，谐波小且输入功率因数可控，并可实现零电压换流。

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And that factor is 4 pi times epsilon zero.

这个常数是4乘π再乘ε

麻省理工公开课 - 固态化学导论课程节选

And now the force, in its most general term / is q1q2 over 4 pi epsilon zero, which is the conversion factor r squared.

库仑力的最基本形式,就是，其中r是一个变量。

麻省理工公开课 - 固态化学导论课程节选

First, each individual factor is presented with all other factors held constant at zero.

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But one decisive factor may be the tensions between the police and many drug-using young people that would result from zero tolerance.

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