These electrons get funnelled into a metal spherical receiver to produce a current, which generates the wire's magnetic field - making the system self-sustaining.

这些电子被引入一个球形金属收集器以产生电流，继而产生线圈的磁场——这样这个系统就可以自我维持了。

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One can consider this a self sustaining system where one's own field actually produces the oxygen that one requires in the physical to subsist.

你可以认为这是一个自我维生系统，在其中你的能量场实际上在产生你的物质体维生所需的氧气。

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Still, success was partial unless the oysters could reproduce, paving the way for a self-sustaining system.

FORBES: Oysters Are Back In New York City Waters

Their solution is to create a financially self-sustaining public toilet system.

FORBES: Let's Stop Overlooking Systems Innovations