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21 世纪的科学技术进展 —— 纪念爱因斯坦伟大发现 100 周年 PowerPoint PPT Presentation


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21 世纪的科学技术进展 —— 纪念爱因斯坦伟大发现 100 周年. —— 2005 年国际物理年. 科学与技术. 科学仅指自然科学。以认识自然、探索未知为目的。包括认识自然界所有物质发生的各种现象,揭示自然现象的内在规律和相互联系。不仅要认识其宏观和外观,还要认识其内部各个层次上的精细结构,运动特点及运动规律。 技术是以对自然界的认识为根据,利用得到的认识来改造自然为人类服务。.  科学和技术都是以自然界为对象,大至宇宙中的日月星辰,小至组成一切物质的基本粒子,都是科学认识的对象。  空间尺度 (相差 10 46 )

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21 世纪的科学技术进展 —— 纪念爱因斯坦伟大发现 100 周年

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21

100

2005



1046

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