trough valley 中文意思是什麼
trough valley
解釋
槽谷-
( 4 ) in summer, tropic west pacific ssta decadal change infect precipitation decadal change in south and north of changjiang river maybe by : positive ssta in tropic west pacific weaken the summer monsoon circulation, lead more precipitation in south of changjiang river and less precipitation in north of it, vice versa ; middle north pacific ssta decadal change infect precipitation decadal change in mid - down valley of changjiang river maybe by : when ssta is negative in middle north pacific, the height field in tropic rises obviously, the subtropical high strengthens and extends westward, the northern limit retreats southward, leads upper trough retreats northward and move eastward, meiyu front moves northward, then leads more precipitation in mid - down valley of changjiang river, vice versa ; middle northwest pacific - low latitude mid - east pacific infects precipitation in north china possibly by change the activity of northeast china cyclone
（ 4 ）熱帶西太平洋ssta年代際變化影響夏季中國長江南北降水年代際變化的可能機制是熱帶西太平洋海表溫度正（負）異常減弱（加強）東亞夏季風環流，從而使江南降水增加（減少） ，江北降水減少（增加） ；夏季中部北太平洋ssta年代際變化影響中國長江中下游地區夏季降水年代際變化的可能機制是中部北太平洋海表溫度負異常，將導致熱帶地區高度場普遍增高，副高加強西伸，副高北界南退，致使高空槽北縮東移，梅雨鋒西移北進，中國長江游中游、中卜游降水增多，反之亦反；夏季中高緯西北太平洋一低緯中東太平洋反向距平分佈結構影響中國東北降水的可能機制是低緯中東太平洋海表溫為負異常。 -
The flow propagates northward and marches across the equation, then passes through the trough of summer monsoon over south china sea and finally gets to the yangtze river valley, which sequentially effect the southwest airflow of the west side of subtropical high
（ 3 ）在副高西伸過程中，南半球澳大利亞高壓北側的冷空氣向北推進，經向風擾動持續向北傳播，從而影響副高西側的偏南氣流。 -
An up - hill and down - dale ride of twenty - odd miles through a garish mid - day atmosphere brought him in the afternoon to a detached knoll a mile or two west of talbothays, whence he again looked into that green trough of sappiness and humidity, the valley of the var or froom
安琪爾騎著馬，一路翻山越谷，在正午的太陽里走了二十多英里路，到了下午，走到了泰波塞斯西邊一兩英里地方的一個孤立的小山崗上，抬頭望去，又看見了前面的低谷瓦爾谷，也就是佛盧姆谷，谷中水分充足，土地滋潤，一片青綠。
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