“north-finding instrument”的概念、定义、翻译、参考文献-科学参考

单词	north-finding instrument
释义	north-finding instrument Encyclopedia 工学大地测量仪器释 north-finding instrument;polar finder寻北器用于简易天文定向的北极星观测件。又称北极星观测器、北天极寻找器。
随便看	relay optics relay orienteering relay protection device relay protection of hydro-generator and transformer unit relay protection of hydropower station relay protection of power system relay protection of power systems relay protection of pumped storage power generator/motor relay protection of the thermal power plant relay protection tester relay protection test of power system relay protection type test relay race relay race of Summer Special Olympics relay satellite communication system relay swimming of Summer Special Olympics relay synthesis relay system relearning releasable formaldehyde release release consistency model release cutting release equipment release factor

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