在 Ubuntu 18.04 中安装 BIOVIA DS 2020 时遇到问题

Question

我已经检查了所有系统要求和必备硬件，但还是不行。请大家帮帮我！

$ chmod +x BIOVIA_2020.DS2020Client.bin
$ ./BIOVIA_2020.DS2020Client.bin 
Verifying archive integrity...  100%   All good.
Uncompressing 'DS Client and extracting files, please wait ......'  100%  
./install_DSClient.sh: 49: ./install_DSClient.sh: [[: not found
./install_DSClient.sh: 70: ./install_DSClient.sh: Syntax error: redirection unexpected