| 单词 |
Fathometer |
| 释义 |
Fathometer|fæˈðɒmɪtə(r)|
Also fathometer.
[f. fathom + -meter.]
An instrument for the determination of the depth of the sea by measuring the time taken by a sound-wave to reach the bottom and return.
1925Hydrographic Rev. II. ii. 140 (heading) The ‘Fathometer’ of the Submarine Signal Co. of Boston. This apparatus, also based on the same principle as that of Fessenden, differs..by the particular feature only, viz. the angle to be measured is observed by means of a lighted index..which is illuminated when it receives the reflected acoustic signal. 1927S. H. Long Navigational Wireless xi. 149 Another method of determining the sounding of a ship consists of a piece of apparatus..called the ‘Fathometer’. This instrument is based on the principle of emitting a sound wave from a sound transmitter, casuing this wave to be reflected from the sea⁓bed, and receiving the reflected sound wave on a receiver. 1937Geogr. Jrnl. XC. 543 Her echo-sounding device (known in the U.S.A. as the Fathometer). 1971Islander (Victoria, B.C.) 14 Mar. 10/3 The speedometer and log was helpful in establishing position and the fathometer very useful when entering an unfamiliar anchorage. |
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
相关内容11：
相关热词搜索：fathometer英英词典英英释义英语词汇意思用法释义英语
字词 着重未来 释义 【经】 future orientation 汉译英翻译词典收录405719条汉英翻译词条，基......
单词 farset 释义 † farset Obs. rare—1.A casket, small case.1639Horn & Rob. Gate Lang. Un......
字词 眼对光调节 释义 【医】 photopia 汉译英翻译词典收录405719条汉英翻译词条，基本涵盖了......
字词 眼寄生动物 释义 【医】 ophthalmozoa 汉译英翻译词典收录405719条汉英翻译词条，基本涵......
单词 fathom 释义 ▪ I. fathom, n.|fm|Forms: 1 fm, fdm, 2–4 fedme, 4 feme, fademe, 3 fadim......
字词 着重出口的工业 释义 【经】 export-oriented industry 汉译英翻译词典收录405719条汉英......