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large scale exercise
space	大规模演习
English thesaurus
large-scale exercises
mil., logist.	Bilateral strategic or operational/strategic exercises covering large areas and involving the command and control organizations and forces of one or more military districts or fleets as well as major and tactical formations from various services. They are conducted on land, in the air or at sea, to address vital issues in preparing for and conducting operations combat, in conditions resembling actual battle as closely as possible. (UKR/NATO)