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A projection exposure system includes an illumination system configured to illuminate a mask with radiation. The projection exposure system also includes a projection objective configured to project an image of a pattern of the mask onto a radiation-sensitive substrate. The projection exposure system fur...
摘要: 文章以2022年高考数学乙卷理科第20题为例,探究不同的解法以及证明该题的逆命题也成立,并得出一般性的结论.旨在揭示问题的本质,深入剖析题目的背景.关键词:解析几何定点 高考试题研究 试题探源 年份: 2023 收藏 引用 批量引用 报错 分享 全部来源 求助全文 维普期刊专业版 知网 掌桥科研 相似文献对2022年...
PURPOSE: To provide the extraction method of tea leaves efficiently utilizing the advantage of a cold water extraction method not causing the creaming-down of the tea simultaneously giving a tea leaf extraction solution high in its concentration degree and excellent in its color, flavor and taste....