英语词汇“alidade”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

al·i·dade

(ălĭ-dād′) also al·i·dad (-dăd′)

1. An indicator or a sighting apparatus on a plane table, used in angular measurement.

2. A topographic surveying and mapping instrument used for determining directions, consisting of a telescope and attached parts.

[French, from Medieval Latin alidada, sighting rod, from Arabic al-'iḍāda, the revolving radius of a circle : al-, the + 'iḍāda, revolving radius (alternate form of 'aḍud, humerus, from 'aḍada, to lop, cut (trees); see ʿd in the Appendix of Semitic roots).]

单词	alidade
释义	al·i·dade (ălĭ-dād′) also al·i·dad (-dăd′) n. 1. An indicator or a sighting apparatus on a plane table, used in angular measurement. 2. A topographic surveying and mapping instrument used for determining directions, consisting of a telescope and attached parts. [French, from Medieval Latin alidada, sighting rod, from Arabic al-'iḍāda, the revolving radius of a circle : al-, the + 'iḍāda, revolving radius (alternate form of 'aḍud, humerus, from 'aḍada, to lop, cut (trees); see ʿd in the Appendix of Semitic roots).]
随便看	POS posable posada Posadas pose pose Poseidon poser poser poseur posh poshly poshness posigrade posit position positional positionally positional notation position effect positioner position paper position vector positive positive law