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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Following the decision to refer Michael Beer's "dismissal" of Cook that proved to be a no-ball and denied the spinner a maiden Test wicket, Johnson revealed that the front line of the popping crease is not of paramount concern during practice.

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The seamer found the ideal line and length outside off stump, rooting Cook to his crease as his bat fended the ball to second slip and bringing the under-fire Collingwood to the crease.

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Okposo's shot actually sailed wide of Pittsburgh goaltender Marc-Andre Fleury but caromed off the end boards then back to the crease, where it rolled off Fleury's pads and across the goal line.

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