“550ppm”的意思、由来-开放百科全书

词条	550ppm
释义	SeeAvoiding Dangerous Climate Change (2005 conference)
随便看	Multi-tasking MS-DOS 4.1 Multitasking MS-DOS 4.1 Multitasking operating system Multiteam System (MTS) MultiTerm Multiterm MultiTerm Extract MultiTerm Widget Multi Theft Auto: San Andreas MultiThematiques Multithreaded programming Multithreading (software) MultiThématiques Multi (To Heart) Multitone Records Multitone records Multi-Tool Notepad Multitouch pad Multi-Touch, Physics and Gestures MULTITRACK MULTITRACK (CONFIG.SYS directive) Multitrait-Multimethod matrix Multi-transaction translator MultiTree Multi-troop transport

开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。