“navigation obstruction”的概念、定义、翻译、参考文献-科学参考

单词	navigation obstruction
释义	navigation obstruction Encyclopedia 工学海图地理要素释 navigation obstruction航行障碍物水域中有碍船舶航行安全的物体。通常称碍航物，又称航行危险物。海图上必须表示的重要内容。
随便看	singular index singular initial number singular inner function singular integral singular integral curve singular integral element singular integral equation singular integral manifold singular integral operator singular invariant singular isothermal sphere singularities in MMP singularity singularity of a differentiable mapping singularity of a differential singularity of a flow singularity of a foliation singularity of a function singularity of a metric singularity of an algebraic variety singularity of an analytic function singularity of an embedding singularity of a vector field singularity of complex hypersurface singularity of induced measures

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