sea surface slope海面斜度
sea bottom slope海底比降;海底坡度
sea floor slope correction[测] [海洋] 海底倾斜改正
sea level slope海面倾斜
east china sea slope东海陆坡
Sea-floor slope海底坡度
deep-sea slope海底斜坡转向
northern South China Sea slope南
sea-floor slope correction海底倾斜改正