“Principles of physical science”的意思、由来-开放百科全书

词条	Principles of physical science
释义	SeeOutline of physical science
随便看	Botys principalis Botys principaloides Botys principialis Botys proceralis Botys procillusalis Botys profanalis Botys profundalis Botys prolausalis Botys prolongalis Botys pronaxalis Botys protenoralis Botys proximalis Botys pruinalis Botys pterophoralis Botys ptoalis Botys ptousalis Botys purpuralis Botys pyrenealis Botys quadriguttalis Botys quadrimaculalis Botys quaternalis Botys quirinalis Botys radicalis Botys radiosalis Botys rectifascialis

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。