This study explored the feasibility and potential benefits provided by the addition of through-thickness stitched composite closed-cell foam sandwich structures.

探索了全厚度缝合复合材料闭孔泡沫芯夹层结构低成本制造的工艺可行性及其潜在的结构效益。

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Currently, the iPhone's "on cell" display is layered a bit like a sandwich (or if you're feeling like dessert, think of a trifle).

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Money is a unit of measure that allows the sandwich maker to exchange the fruit of his efforts with the cell phone maker who may not like sandwiches.

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