| 单词 | dead-reckoning |
| 释义 | dead-reckoning航位推算导航詞目：Dead-reckoning 1866-69羅存德英華字典Dead-reckoning1the estimation of the place of a ship without any observation of the heavenly bodies估船之地位、不以度日定船之地位1866-69羅存德英華字典 1筆p 562 1884井上哲次郎訂增英華字典Dead-reckoningn.1The estimation of the place of a ship without any observation of the heavenly bodies估船之地位、不以度日定船之地位1884井上哲次郎訂增英華字典 1筆p 355 1908顏惠慶英華大辭典Dead-reckoningn.1The calculation made of the place where a ship is situated, without any observation of the heavenly bodies, (航)推測船之地位法(不憑度衡而定船之地位)（航）推測船之地位法（不憑度衡而定船之地位）p 552 1908顏惠慶英華大辭典 1筆dead-reckoning航位推算法；航位推算導航電機工程 |
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