Because the mold is formed around a one-piece pattern (which does not have to be pulled out from the mold as in a traditional sand casting process), very intricate parts and undercuts can be made.

由于这种铸型是环绕整块型模形成的(无需像传统的砂型铸造工艺那样拔模)，能制作十分复杂的零件和浮雕。

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If a hollow casting is to be made the pattern will include extension pieces so that Spaces to accept the sand core are molded into the sand. These additional Spaces in the mold are termed core prints.

如果铸造空心铸件时模型上包含伸长杆便于在砂中放置砂芯的空间称为型芯座。

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The gait and footprint distribution of a camel walking on sand, the regular changing pattern of motion parameters with the changing of walking speed and the slope Angle were studied.

研究了骆驼坡道行走的运动步法、足印分布，以及骆驼运动参数随速度、坡度的变化规律。

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He tracked the muggers' footprints on sand dunes over the course of several weeks, to get data for the maps, and established a pattern that helped police predict the attacks, so that they could lie in wait.

ECONOMIST: A new device puts an old skill to work