在您已经安装angular-cli并创建了项目之后
使用以下命令安装material-desgin-lite:

after you already installed angular-cli and created a project
install material-desgin-lite with:

npm install material-design-lite --save

一旦完成安装，请在项目的根目录上打开.angular-cli.json并添加以下行:

Once intalled open the .angular-cli.json on the root directory of your project and add the following lines:

"styles":
["../node_modules/material-design-lite/material.min.css"],
"scripts":
["../node_modules/material-design-lite/material.min.js"],

保存文件并使用以下命令启动服务器:
ng serve

Save the file and the start the server with:
ng serve

在代码中使用所需的CSS类和其他组件.

Use the desired css classes and other components in your code.