最终的潜在原因是近几十年来吃零食和外出就餐的次数增加，这不仅体现在其发生的频率上，还体现在其对我们整体能量摄入的影响。

The final potential cause is an increase in snacking and eating out over recent decades both in terms of how often they happen and how much they contribute to our overall energy intake.

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该算法对采样频率无严格限制，最终可确保系统闭环半全局一致有界收敛。

The algorithmic relaxes the strict limit on sample frequency, and can guarantee SGUUB(semi-global uniform ultimate boundedness) of the closed-loop system.

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在几种常见的电机控制方式中，最终选定了转差频率控制方式的变频调速技术。

Slip frequency as a technique of frequency conversion is finally adopted among several control methods of motor.

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So this is our final equation, and this is actually called the Balmer series, which was named after Balmer, and this tells us the frequency of any of the lights where we start with an electron in some higher energy level and we drop down to an n final that's equal to 2.

把2代入到这里，所以得到1除以,这就是我们最终的方程，这叫做Balmer系，以Balmer名字命名的,它告诉我们从高能级掉到n等于2的,最终能级所发出光的频率。

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