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林彪、“四人邦”一伙炮制反革命的“两个估计”,把解放后十七年的学校教学工作一概诬蔑为“三脱离”,其中一条重要罪状,即所谓“黑板上开机器,试管里种黄瓜”。机器,应该开于工厂、农场、矿山、油田,到黑板上去开,岂非脱离实际?黄瓜,应该种于田头、地角、瓜畦、温室,种到试管里,岂非故弄玄虚?乍一听,这棍子打得似乎有理,但仔细分析,殊觉大谬而不然。所谓“黑板上开机器”,当然并非真把机器搬到黑板上去开,而是指教师在课堂中,向学生讲解有关机器的基本理论、基础知识,在黑板上画机器图样,写有关的定理、公式、数据等等。从学校教学的特点和要求来看,这种基本理论的讲解,基础知识的传授,倒是决不可少的。我们培养航空驾
Lin Biao and the “gang of four” all concocted the “two estimations” of counterrevolutionary work. They have vilified the 17 years of post-liberation school teaching as “three separate”. One of the important crimes, the so-called “blackboard on-machine, test tube Growing cucumbers. ” The machine should be opened in factories, farms, mines, oil fields, to go to the blackboard to open, not from the actual? Cucumber, should be planted in the fields, the angle of the corner, melon 畦, greenhouse, planted into the test tube, This stick played plausible, but a careful analysis, but the difference between the big and the wrong. The so-called “blackboard on the machine,” of course, is not really the machine moved to the blackboard to open, but that teachers in the classroom, to explain to students about the basic theory of the machine, basic knowledge, painting the machine drawing on the blackboard, write the relevant theorem , Formulas, data and more. From the point of view of the characteristics and requirements of school teaching, it is indispensable to explain such basic theories and teach basic knowledge. We train aviation drivers