1、gradle:https://services.gradle.org/distributions/
2、微軟鏡像源:https://packages.microsoft.com/
3、chromium鏡像:https://npm.taobao.org/mirrors/chromium-browser-snapshots/
4、各種鏡像大全:https://npm.taobao.org/mirrors/
5、nginx鏡像: http://nginx.org/packages/
6、CDH鏡像:http://archive.cloudera.com/cdh5/
7、mysql鏡像:https://mirrors.tuna.tsinghua.edu.cn/mysql/downloads/
8、阿里的Maven鏡像:https://maven.aliyun.com/mvn/view
9、jcenter鏡像源:https://jcenter.bintray.com/