Always for it is an outstanding freeware public domain software.
总来说是一款优秀免费软件。
Software consists of commercial software, public domain software, shareware and free software in legal state.
按软件的法律形态来分，它可分为商业软件、公共软件、共享软件和自由软件。
Software consists of commercial software, public domain software, shareware and free software in legal state.
按软件的法律形态来分，它可分为商业软件、公共软件、共享软件和自由软件。
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