“negative landform”的概念、定义、翻译、参考文献-科学参考

单词	negative landform
释义	negative landform [`neg·ǝd·iv `land´fȯrm] ^GEOLOGY 1. A relatively depressed or low- lying topographic form, such as a valley, basin, or plain. 2. A volcanic feature formed by a lack of material (such as a caldera).
随便看	quasi-particle detector quasi-perfect number quasi-periodic motion quasi-random code generator quasi-reflection quasi-square-wave static inverter quasi-stable elementary particle quasi-static process quasi-stationary front quasi-stellar object quasi-stellar radio source Quaternary quaternary alloy quaternary ammonium base quaternary ammonium salt quaternary carbon atom quaternary phase equilibria quaternary signaling quaternary system quaternion quatrefoil quay quebracho quebracho bark queen

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