我们在有关核裁军的新闻报道中,经常能看到“第三代核武器”,“第四代核武器”的说法。核武器究竟是依据什么来划分“代”的呢?其实在这方面并没有严格的规定,各国都有自己的习惯划分法。比如,有的是按生产设备分“代”,还有的按战略思想分“代”……下面根据国外资料综合归纳如下: 1、按生产设备划分。美国军方习惯于把核武器分为三代:第一代指40年代和50年代研制的大当量核弹头和核炸弹,其爆炸当量都在万吨以上。第二代指60年代研制的小核化核弹头,爆炸当量在千吨以下。第三代核武器是指70年代至今研制的 In the news reports on nuclear disarmament, we often see the words “third generation nuclear weapons” and “fourth generation nuclear weapons.” What exactly is nuclear weapons divided according to “generation”? In fact, there are no strict rules in this respect, and all countries have their own custom division. For example, some are divided according to production equipment “on behalf of”, and some according to strategic thinking “on behalf of” ... ... the following summarized according to foreign data are summarized as follows: 1, divided by production equipment. The U.S. military is accustomed to dividing nuclear weapons into three generations: the first generation refers to large equivalent nuclear warheads and nuclear bombs developed in the 1940s and 1950s, and their explosive equivalent amounts to more than 10,000 tons. The second generation refers to the small nuclear warhead developed in the 1960s with an explosive equivalent below 1,000 tons. The third generation of nuclear weapons was developed from the 1970s to the present