美国沙画艺术家吉姆denevan(生于1961年)在北加州的海滩上，花费十多小时创作了这些最美丽，也可能是最易逝的画作。
American sand artist Jim Denevan (born 1961) spends hours to create the most beautiful and probably the most impermanent drawings on the North California beaches.
这些新方法和独特的机构化的计画允许显著的对群论解决办法易受感动的颂歌的数量的增加。
These new methods and the unique organizational scheme allow a significant increase in the number of ODEs amenable to group-theory solution.
本实用新型的目的在于提供一种不易变色、易清洁、能长时间保存并且无反光眩光立体感强的新型玻璃画。
The utility model aims at providing a novel glass painting which is not easy to fad, is easy to clean, can be kept in long term, has no reflecting and has strong glaring stereo perception.
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