nontranslational非: mistake; wrong; errors的: 4次方是 The fourth power of 2 i ...平移的: regmatic; translational; translatory非平移对称元: nontranslational symmetry element可平移的天车: sliding crown-block下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:非平移的，即可在微信中查询翻译
