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字词 焦点
释义 焦点 [- diǎn]①〖数〗〖物〗 (二次曲线焦点; 主焦点) focal point; focus:
•¶ 虚焦点 virtual focus
•¶ 主焦点 principal focus
•¶焦点分散 defocus
②(问题的关键所在或争论的集中点) central issue; centre; point at issue:
•¶ 斗争的焦点 the focus of the struggle
•¶ 矛盾的焦点 focal points of contradictions
•¶ 问题的焦点 the heart of the matter
•¶ 争论的焦点 the points at issue
③〖气〗 origin ④〖冶〗 (焦斑) focal spot
焦点尺寸focal spot size焦点对合focal involution焦点范围focus“焦点访谈”Talks on Focus焦点计focimeter焦点检查仪lensometer焦点距离修正coincidence adjustment焦点皮肤距离 〖核〗focus-skin distance (F.S.D.)焦点平面focal plane焦点区focal area焦点曲线focal curve焦点软片距离focus-film distance焦点扫描focus scanning“焦点时刻”Focus Times焦点投影focus projection焦点深度depth of focus焦点失调out focus; out-of-focus焦点坐标focal coordinates
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更新时间:2026/10/6 9:19:41