A t its most fundamental, computer science is about the search for better algorithms - more efficient ways for computers to do things like sort data or filter noise out of digital signals.

寻找最优的算法是计算机科学基础研究的方向之一，对数据进行排序或从电子信号中过滤掉噪音都是非常有效的方法。

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I've tried the latter approach in Listing 6. (Note that filter takes a (t) : Booleanmethod, meaning it takes a single parameter of whatever type the array holds and returns a Boolean.)

我在清单6中采取了后一种方法(注意filter使用了一个(t)： Boolean方法，意味着使用数组持有的任意类型的参数，并返回一个Boolean)。

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Based on T type filter, the new ballast can achieve a wide dimming range with a very narrow frequency variation range, and it can operate with low lamp current crest factor.

基于T型滤波器的调光方法，能在很窄的工作频率范围内实现深度调光，同时具有灯电流波峰因数低的优点。

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The resulting cellphone images were low-quality, but nothing a little sepia-filter couldn't fix.

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The Muppets have, in many of their incarnations, sustained a certain amount of double entendre, and this documentary-style glimpse behind the scenes doesn't remove the gauzy filter in any way.

CNN: Review: 'The Muppets' still finding its felting

If that weren't enough, the FE-5020 and FE-4000 also include "Magic Filter" functionality (which some might call "tacky filters, " if the fish eye lens and sepia tone effects aren't really your bag).

ENGADGET: Olympus announces new FE and mju range 12 megapixel shooters