“海区航道方位标”的概念、定义、翻译、参考文献-科学参考

单词	海区航道方位标
释义	海区航道方位标 Encyclopedia 工学水运交通指示释 sea area fairway bearing mark海区航道方位标设在以危险物或危险区为中心的北、东、南、西四个象限内，分别标示在该标的同名一侧为可航行水域的交通指示标。即真方位西北-东北，东北-东南，东南-西南，西南-西北，并对应所在象限命名为北方位标、东方位标、南方位标、西方位标。方位标也可设在航道的转弯、分支汇合处或浅滩的终端。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。