单词	linear oscillator
释义	linear oscillator 线振子
随便看	double reading theodolite double readout double read out Double-reagent method double reansonance double rear double rear vault double rebated double reception double-receptor theory double-recessed niche double recessed wheel double recessive double recessive line double recipe double-reciprocal filter double reciprocal innervation double reciprocal plot double-reciprocal plot double reciprocal relationship double reciprocating knife mower double-recirculation flow pattern double recognition phenomenon double recoil doublerecoil method