搜索 - 科创

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HTTP协议中，信息以明文传输。例如，小刚登陆科创论坛，用户名和密码都是明文传输的。因为从小刚家到科创论坛要经过很多网络设施，黑客可以在这个过程中拦截到小刚的密码。所以，我们要加密小刚与科创论坛...

引言：在KC群里看到很多同学在做一些固体、液体甚至是固液混合的火箭发动机的研究。但可能由于主要是本科及以下的爱好者，大家在理论、工具等方面均有较大欠缺，重复造轮子的情况还比较严重，以至于相当一部分同学...

本帖最后由 718281828kc 于 2014-6-1 15:12 编辑一、MOPAC简介　最著名的半经验分子轨道程序包。MOPAC从1981年由J. J. P. Stewart开始开发...

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