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dead-reckoning英英字典_dead-reckoning剑桥英语解释_dead-reckoning柯林斯英文解释_欧米惠必应词典
欧米惠必应词典

dead-reckoning

D 开头单词

柯林斯词典

    dead reckoning

  • 1. N a method of establishing one's position using the distance and direction travelled rather than astronomical observations 航位推算

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