An age that is all about growth and risk needs some anchors and weights, a model of steadfastness when all else is in flux.
一个全是关于增长和风险的时代需要一些锚和砝码，需要一个在其他一切都在变动时保持稳定的模型。
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The assumptions for these fluctuating values are fixed in Limits to Growth model, but in reality the assumptions themselves have coevolutionary mechanisms that flux over time.
The influence of the helium flux on the thermal field of sapphire crystal growth by heat exchange method(HEM) was studied by heat exchange method simulation and experiments.