摘要：使用 sed echo -n "design & ENGINEERING" | sed 's/\b\([[:alpha:]]\)\([[:alpha:]]*\)\b/\u\1\L\2/g' 使用 Python echo -n "design & ENGINEERING" | python3 -c " 阅读全文

摘要：login ftp -p submit.big.ac.cn # passive mode to avoid 421 error # 421 Service not availiable, remote server has closed connection Enter to GSA directo 阅读全文