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hollow-space
gen. 空腔
hollow space
tech. 空穴区; 空洞
 English thesaurus
hollow space
mil., logist. Feature of a maneuver area in which the areas of responsibility of the subordinate units are separated and/or include spaces devoid of forces, which creates both control problems in the "void" spaces and maneuver. (FRA)
hollow-space: 3 phrases in 1 subject
Technology3