n.bomb consisting of a canister that is dropped from a plane and that opens to release a cluster of bomblets (usually fragmentation bombs) over a wide area
N-COUNT
A cluster bomb is a type of bomb which is dropped from an aircraft. It contains a large number of smaller bombs that spread out before they hit the ground. 集束炸弹
Based on conventional ballistics theory, the mathematicalmodelof the ballistic trajectory which adopts low and high pressure chamber fire mode is established for the smallclustertearbomb.