数学上，特别是在代数拓扑和微分几何中，陈类(,或称陈示性类)是一类特殊的和复向量丛相关的示性类。
教育学科行业专业英语第6841页 ... Chern characteristic 陈（省身）特征 Chern class 陈（省身）类 Chernoff bound 切尔诺夫限 ...
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最末两项设计类为家具与照明，参赛的作品非常少，也很遗憾的乏善可陈，连初选入围的作品都很难选择！
Space furniture and lighting categories have very few participants and also very few good projects. It was difficult even just selecting projects for the preliminary!
这两类作品——影像的纪录与他的雕塑，无论在内容上还是在形式上都具有清晰的关联，也揭示出陈文令这些年艺术创作的真正谜底。
These two works, video documentation and his sculptures is clearly related either in content or in form, which also reveals the final answer to the riddle of Chen's recent artistic creation.
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