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单词
position indicating mark
释义
position indicating mark
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。
随便看
amino acid score
amino acid sequence
amino acid surfactant
amino acid transporter
aminoacyl phosphatidylglycerol
aminoacyl-tRNA
aminoacyl tRNA ligase
aminoacyl tRNA synthetase
aminoacyl-tRNA synthetase
amino and nitrohydrocarbon compound poisoning
amino bonded phase
amino-bonded phase
aminocoumarin
amino cyclitol antibiotic
amino cyclitol autibiotic
amino cyclitol autibiotic; amlodipine
aminoglycoside
aminoglycosides
aminohydroxylation
aminohydroxylation; oxyamination
aminolysis
aminomercuration
aminomethylation
aminomethylbenzoic acid
amino-modification
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