搜索 - 科创

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提到制图，有点经验的第一反应就是“Auto CAD”谈起画电路原理图，开发人员第一反应就是“Protel、OrCAD”。。。但这些软件并不是每台机器上都有的，而且学习掌握这些专业的制图软件也常常需要相...

【前言】 2年前joyeep大神发了个Bypass360(https://www.kechuang.org/t/33675)，可惜当年俺技术浅薄没能看出啥名堂来。应该说当时这算是比较有价值的技术（可以...

这是一个非常经典的问题。如图，三角形 ABC 是一个直角三角形， ∠A = 90° 。 D 是斜边 BC 上的一个动点。过点 D 作 AB 和 AC 的垂线，垂足分别为 E 和 F ...

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