Which existing principles of IHL applicable to the use of force during an armed conflict are considered relevant to the use of munitions, including sub-munitions, that may become ERW?
在国际人道主义法中，有哪些与武装冲突期间使用武力有关的现行原则被认为与有可能成为战争遗留爆炸物的弹药尤其是子弹药的使用相关？