translational radiation 基本例句 平移 The laws of physics are symmetrical for translational displacements.物理定律对平移是对称的。 Several translational and rotational inelastic response spectra are constructed based from the proposed modal stick.在本研究中,利用两个自由度的振态杆状模型建立平移与旋转的非弹性反应谱。