为了备战和作战,无论平时或战时,各国都要构筑工事。一些军事院校,要讲授《工事设计》课。因此,讲授“工事分类”便必不可少。所谓“工事”,就是为抵御敌人武器的杀伤破坏作用而构筑的建筑物。把“工事”划分为“永备工事”和“野战工事”两类,是大家公认的一种划分。但按何种标准去划分两类工事,人们的提法则有不同。过去很长一段时间,我 In preparation for and fighting, all countries must construct fortifications, either peacetime or wartime. Some military academies, to teach the “fortifications” class. Therefore, teaching “classification of work” is indispensable. The so-called “fortifications” are structures built to defend against the destructive effects of the enemy’s weapons. Dividing “fortifications” into two categories: “fortifications” and “field fortifications” is a recognized division. However, according to what criteria to divide two types of fortifications, people’s formulation is different. For a long time, me