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示位标
Encyclopedia
工学
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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double isotope dilution mass spectrometry
double isotopedilution method
double jeapardy
double labeling
double labeling; double-tagging
double lattice
double layer
double-layer
double layer capacitance
double layer capacitor
double layer current
double-layer current
double-layer distribution
double layer graphene
double-layer graphene
double layer potential
double-layer potential
double layer sintering
double leaves binding
double-lensed quasar
double limit
double line
Double-line Bridge of Shibanpo Yangtze River Bridge in Chongqing
double-lined binary
double-lined spectroscopic binary
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