搜索 - 科创

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专业3D打印机（当时叫快速成型设备）价格一直很贵，2005年前后几个大学实验室做出来廉价的开源版本后3D打印才开始普及。中国山寨产业和开源社区的主要区别在于版权是否开源。至于开源和闭源哪个好，各有优势...

来到这个坛子已逾一个星期的时间，期间偶尔也会参与一点讨论，更多的时候是默默浏览一些帖子。思前想后，觉得还是写一篇文，算是报道也好，发表一点看法也好…有时候我觉得，这就好比是一个变量的声明，从此算是让自...

在Windows编程中，程序默认的文字编码是UTF-16 LE，使用16位wchar_t类型的字符串保存，字符串常量有L前缀，即L"字符串常量"。这种编码的结构十分简单，并且可以表示世界上的所有字符。...

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