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示位标
Encyclopedia
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水运交通指示
释
position indicating mark
示位标
设在湖泊、水库、水网地区或其他宽阔水域与重要航道附近,标示岛屿、浅滩、礁石及通航河口等特定位置,供船舶定位或确定航向的水上助航标志,又称灯塔。在内河航道可以为各种形状的塔形体。塔身外涂有显明的颜色,便于船舶识别。
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steady-state heat conduction
steady-state magnetic field
steady-state model
steady state motion
steady state of open system
steady state oscillation
steady state process
steady-state pulse
steady-state response
steady-state self-focusing
steady state signal
steady state solution
steady-state solution
steady state theory
steady-state theory
steady-state theory of the universe
steady-state value
steady-state wave
steady sunspot
steady uniform flow in open channel
steady value
steady velocity
steady vibration
steady voltage source
steady working state during exercise
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