“traffic mark”的概念、定义、翻译、参考文献-科学参考

单词	traffic mark
释义	traffic mark Encyclopedia 工学水运交通指示释 traffic mark通行信号标设在上、下行船舶相互不能同视，同向并驶或对驶有危险的狭窄、急弯航段或单孔通航的桥梁、通航建筑物及施工禁航等需通航控制的河段的水上助航标志。
随便看	lower culmination lower Darboux integral lower Darboux sum lower decimal approximation lower degree lower Denjoy sum lower density lower derivative lower deviation lower directed lower Dirichlet density lowered isothermal model lower end lower end of an integral lower envelope lower envelope principle lower estimate lower factorial lower-flow system lower function lower gastrointestinal bleeding lower half-disk lower half-martingale lower half-plane lower half-space

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