系统和系统模型


Crosscutting Concept 1: Systems and System Models In this video Paul Andersen explains how systems can be used to understand phenomenon in science and create better designs in engineering. He starts by defining the characteristics of a system and describes how system models can be used to better understand the world.

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下一代科学标准横切概念4:系统和系统模型
在这个视频中,保罗安德森解释了系统如何用于了解科学的现象,在工程中创造更好的设计。他首先定义系统的特征,并描述了如何使用系统模型来更好地了解世界。