circulation map交通图circulationn.流通；循环；发行量；消息传播circulation of checks[经] 支票流通circulation treatment循环处理circulation stability循环稳定性circulation logistics循环物流circulation evolution环流演变circulation statement[经] 流通报表circulation degassing双管循环真空除气法circulation detection巡回检测circulation and reuse循环回用circulation economics流通经济学