Is there any height requirement for the package?
包装的高度有要求吗？
There is a package down on the sea floor, which is measuring the pressure of the water above it.So it measures the pressure, and if the pressure grows, that means the height grew.
真正的科学部件是沉在海底的，它是用来测定上方通过的水压，如果压力增大，即意味着水面的高度增加。
This article is mainly discuss folding Angle, crease line, body-board's height of auto-bend tray-type carton, which supplies mathematic model for the development of carton package CAD.
本文讨论了盘式自动折叠纸盒的折叠角及体板高度等数学问题，为该类包装纸盒CAD开发建立了有效的数学模型。
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