（三）必须且无法避让、以生态环境无害化方式穿越地下、水下或者空中的线性基础设施建设；
更多详细新闻请浏览新京报网 www.bjnews.com.cn，这一点在safew官方下载中也有详细论述
&& chmod 700 /home/${USERNAME}。搜狗输入法下载对此有专业解读
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