Q 开头单词

quaternary economic sector 第四产业

quaternary ammonium salt [有化] 季铵盐

quaternary ammonium compound [有化] 季铵化合物

quaternary ammonium 季铵；四级铵

quaternary (adj.)

quaternary adj.第四纪的；四的；四进制的n.四；四进制；第四纪

quaternaries adj.第四纪的；四的；四进制的n.四；四进制；第四纪

quatern n.四

quater (拉)四倍

quatemion-moment 四元数矩

quat n.皮疹

quassin n.苦木素

quassia n.苦木科植物；由其采取之苦味液

quassation 压碎, 破碎

quass

quasistable adj.似稳定的(准稳态的)

quasiretail 准零售

quasipeak n.准峰值

quasinorm n.拟范数

quasimodo (n.)