无: not have; there is not; be w ...环流: circulation; circulating cur ...系统: system环流系统: circulating system; circulating-current system深层环流系统: thermohaline circulation温差环流系统: thermosiphon; thermosyphon北太平洋环流系统: north pacific gyre无环流的: circulation-free无环流流动: flow without circulation副热带环流系: subtropical gyre逆流系统,对向流系统: counter current system单电流系统: single current system导流系统: training system对流系统: convection system; convective system分流系统: distributary system; part flow system; separate system; split system共载流系统: common carrier system合流系统: combined system恒流系统: constant current system; constant-current system回流系统: drainback system; return-flow system; reverse-flow system交流系统: ac system; alternatine current systen; alternating-current system; communication system浇流系统: gating system内流系统: internal flow system逆流系统: counter-current system气流系统: gas flow system曲流系统: twisting meander system