河南郑州市胡彦彬和辽宁本溪市吴新文等读者来信询问我刊2000年第4期《话说军用望远镜》一文中“密位”及“密位公式”等问题,现就有关问题作一些解答。 1 角度测量单位 在枪炮射击中通常采用方向分划、密位和“自然密位”作为测角单位。 1.1 方向分划 如果将半径为R的圆周划分为 Hu Yanbin of Zhengzhou City, Henan Province, and Wu Xinwen of Benxi City of Liaoning Province sent a letter asking questions such as “secret position” and “secret position formula” in my article entitled “Telling Military Telescopes” in 2000, and will now give some answers to the relevant questions. 1 angle measurement units in gunfire are usually used in the direction of division, density and “natural density” as the unit of measurement. 1.1 direction of the division If the radius of R is divided into weeks