| 单词 | dip-needle |
| 释义 | > as lemmasdip-needle dip-needle n. = dipping-needle n. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > bit of magnetized steel as direction indicator needlea1393 mariner's needle1600 directory needle1613 inclinatory needle1613 dipping-needle1667 dip-needle1881 1881 J. C. Maxwell Treat. Electr. & Magnetism (ed. 2) II. 113 The magnetic dip is found by means of the Dip Needle. < as lemmas |
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