Even making a non-working model of what might seem to be a relatively simple thing, like a new sole for a shoe, is in fact a complex process.

即使是制作一个不能用的看起来很简单的模型，比如一只鞋的新鞋底，这也是很复杂的过程。

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Other research has suggested that an employed mother provides children with a positive role model about the value of working hard, and lessens other, non-economic stresses on the family.

其他研究已经表明，母亲参加工作给孩子树立了一个展示努力工作、自立、家庭宽裕价值的正面形象。

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The cycle model of a quantum Carnot refrigeration cycle working with many non-interacting spin-1/2 systems and consisting of two isothermal and two adiabatic processes is established.

建立以无相互作用的自族为1/2的粒子组成的自旋系统为工质，由两个绝热和两个等温过程组成的量子卡诺制冷循环模型。

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Unfortunately, the plastic mock-up has always been a non-working, gutless model with little more than a glossy screen and backlight to demonstrate the form factor Intel's gunning for with its future Moorestown Mobile Internet Devices.

ENGADGET: Intel unveils world's first working Moorestown MID platform