稳定与变革


Crosscutting Concept 7: Stability and Change Paul Andersen explains how stability and change are regulated in systems through controls and feedback. Controls are used to regulate matter and energy flowing into a system. Feedback mechanisms within the system are used to regulate stability.

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下一代科学标准横切概念7:稳定性和变革
Paul Andersen解释了通过控制和反馈在系统中受到稳定性和变化。控制用于调节流入系统的物质和能量。系统内的反馈机制用于调节稳定性。