为了让肉熟得快，切肉要薄，厚度不超过4英寸厚。

For speedier cooking, cut meat into paper thin slices, no more than 1/4-inch thick.

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结果显示：髁突软骨各带厚度不恒定，波动起伏较大。

The results show that the thicknesses of each zone are not constant and fluctuate obviously.

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但此设计要求硅片厚度不超过5纳米(一米的十亿分之一)。

But the design requires that this silicon layer be no more than five nanometres (billionths of a metre) deep.

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