Mass and energy flow through boundary.
质量和能量流过边界“
And you can get to things like the macro-stressed insure, and energy flow in a much more robust way than you can even in an advanced course of magnetism.
所以你便可以更形象地理解,像微粒,能量流动,等概念,你甚至可以,比在高级课程更讲的程度深。
An open system, as the name describes, allows mass and energy to freely flow through the boundary.
开系,顾名思义,允许质量和能量自由地,流过它的边界。
Energy can flow across the glass but I put a lid on top, and so the water can't get out.
能量可以穿过杯壁流动,但是我在顶上加了盖子,所以水不能跑出来。
system is the opposite of the open system, no mass and no energy can flow through the boundary.
孤立系与开系正相反,没有质量或能量,能流过它的边界。
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