“dual-frequency sounder”的概念、定义、翻译、参考文献-科学参考

单词	dual-frequency sounder
释义	dual-frequency sounder Encyclopedia 工学双频测深仪释 dual-frequency sounder双频测深仪基于单波束测深原理，具有高低两种频率，可进行精密水深测量的仪器。
随便看	Treaty of Taif Treaty of the Bura Treaty of the Jingde Era between Northern Song and Western Xia Treaty of Trianon Treaty of Uqair Treaty of Verdun Treaty of Versailles Treaty of Vienna Secret Defensive Alliance Treaty of Waitangi Treaty of Wanghia Treaty of Washington Treaty of Waters of Indus River Treaty of Wichalē (Uccialli) Treaty on European Union Treaty on Political Asylum and Refugees in Six Countries of Inter-American Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies Treaty on the Non-Proliferation of Nuclear Weapons Treaty on the Non-proliferation of Nuclear Weapons Treaty Plan of 1776 Treaty Regulating Tariff Relations Between the United States and the Republic of China, signed July 25, 1928 Treaty Regulating Tariff Relations Between the United States of America and the Republic of China treaty reinsurance Treaty to Avoid or Prevent Conflict between the American states treble trebler

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