If water elevation is used to be the control element, radiation condition can also be applied to water elevation.

如果用水位作为控制条件，也可以使用辐射边条件。

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In the northern peninsula the elevation is sufficiently low that the ancient Maya were able to reach the water table at deep sinkholes called cenotes, or at deep caves.

在半岛北部，海拔足够低，因此古玛雅人能够经由被称为竖井的深层排水口或深洞探及地下水位。

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As elevation increases, narrow, deep channels of water form throughout the marsh.

随着海拔的升高，沼泽中形成了又窄又深的水渠。

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The rugged features of the WG-3 include an improved waterproof depth rating to 45 feet, while the WG-3 GPS offers enhanced GPS functionality for geo-tagging images that can be mapped back to your journey and a dedicated second display showing compass direction, elevation or depth below water.

ENGADGET: Pentax expands ruggedized series with Optio WG-3, Target-exclusive WG-10

Appearances aside, it is as distinct from the straightforward parkland layout of Number Two as day is from night, with lots of sharp doglegs, some serious elevation changes, and yes, water hazards.

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