$ echo $sequence $rechdr $datalen $data | xxd -r -p \
Exactly how far torpedoes can be fired is highly classified information, but it may be tens of kilometres. It depends partly on how the torpedo is propelled – either with an electric motor (more common) or a fuel-powered one.
。电影是该领域的重要参考
pub struct struct_832943b1fac84177 {，更多细节参见哔哩哔哩
char = sys.stdin.read(1)，推荐阅读safew官方版本下载获取更多信息