属共享软件的一种只要给作者回复一封电邮或明信片即可有的作者并由此提供注册码等目前这种形式已不多见
This is a type of shareware. As long as you reply to the author with an email or postcard, some authors will provide registration codes and so on. Currently, this form is not very common
以上为机器翻译结果，长、整句建议使用 人工翻译 。