得到竖向和水平向振动位移衰减公式。
The attenuation formulas both of vertical and horizontal vibrating displacements are obtained.
地震计由一台垂直向和两台水平向组成。
The seismometer has one vertical component and two horizontal components.
食品微生物检测技术和方法已由培养水平向分子水平迈进。
Detection technology and methods in food microorganism have developed from culture level to molecule level.
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