Data are not available on the sensitivity of unexploded ordnance of most different categories, although limited data are available for some munitions types (see for example reference [5 ]).
60. 虽然某些类型的弹药有少量的数据(例如见参考资料［5］)，但大多数类别的未爆炸弹药没有敏感度方面的数据。