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课 题: 活 板

鹤壁市实验学校. 课 题: 活 板. 授 课 人: 王 素 芹. 课件制作: 罗 权 芳. 鹤壁市实验中学. 自读课文,填写下表:. 1 、列数据. 程序顺序 时间顺序的一种. 活板. 沈括. 活. 2 、举例子. 每字为一印. 火烧令坚. 3. 欲印,则以一铁范置铁板上, 乃密布字印,满铁范为一板。. 5. 以一平板按其面,则字平如砥。. 2. 以松脂、蜡和纸灰之类冒之. 1. 先设一铁板. 4. 持就火炀之.

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课 题: 活 板

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  1. 鹤壁市实验学校 课 题: 活 板 授 课 人: 王 素 芹 课件制作: 罗 权 芳 鹤壁市实验中学

  2. 自读课文,填写下表: 1、列数据 程序顺序时间顺序的一种 活板 沈括 活 2、举例子

  3. 每字为一印 火烧令坚

  4. 3.欲印,则以一铁范置铁板上, 乃密布字印,满铁范为一板。 5.以一平板按其面,则字平如砥。 2.以松脂、蜡和纸灰之类冒之 1.先设一铁板 4. 持就火炀之

  5. 有的字如“之”、“也”用的较多,怎么办? [明确]每字刻20多个字印。 一板印刷 一板已自布字 更互用之,瞬息可就。

  6. 活字不用时怎么存放呢? an 以纸帖之,每韵为一帖,木格贮之。 ·如果遇到生僻而平时没有准备的字,怎么办呢? (旋刻之,以草火烧,瞬息可成。) ·为什么不用木料刻字印而用胶泥呢? (文理有疏密,沾水则高下不平,兼与药相粘,不可取。不如用胶泥用讫在火令药熔,以手拂之,其印自落,殊不沾污。)

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