circulation n. 1.循環(huán);運行。 2.傳播;環(huán)流(量),流通(量)。 3.(雜志等的)發(fā)行(額),銷數(shù),銷路。 4.通貨,貨幣;流通證券。 5.【航空】環(huán)量,環(huán)流。 the circulation of the blood 血液的循環(huán)。 have a good [bad] circulation血液循環(huán)良好[不好]。 the active circulation紙幣的實際流通額。 the passive circulation紙幣的準備額。 the circulation of a bank 銀行的紙幣發(fā)行額。 be in circulation 傳播中;流通中,通行著。 put in [into] circulation 傳播;使(紙幣等)流通,通用,使用。 withdraw ... from circulation 收回;停止發(fā)行。
The key atmospheric circulation factors and corresponding key periods , which were significantly related to incidence area rate anomaly of wheat stripe rust , were selected to establish forecasting model which can predict the incidence area rate anomaly of wheat stripe rust 從這些值中選出與全國小麥條銹病發(fā)病面積率距平相關(guān)顯著的關(guān)鍵時段關(guān)鍵環(huán)流因子,建立了全國小麥條銹病發(fā)病面積率距平預(yù)報模型。
It is concluded that the cross - equatorial flow has strengthened and is more persistent since 1951 ; and the somali jet is the principle and stable cross - equatorial flow , and also an important circulation factor which affects the summer precipitation in the east of northwest china 結(jié)果表明,自1951年以來,越赤道氣流總量呈增強趨勢,且持續(xù)性好;索馬里急流是最主要的越赤道氣流,且比較穩(wěn)定,它是影響西北地區(qū)東部夏季降水的重要環(huán)流因素。