求以下链接的书，要文字可复制的pdf格式，自用学习。麻烦发送至https://pan.baidu.com/disk/main#/transfer/send?surl=AAwAAAAAABPV4A https://book.sciencereading.cn/shop/book/Booksimple/show.do?id=B9BFCF08949242C10E053010B0A0A15D4000 的书, 文字
