The spectral analysis techniques have been applied to the gemological study and gemstone identification.波谱分析技术已被成功地应用于宝石学研究和宝石鉴定领域.AMI generated code, and for its power spectral density and time - domain waveform.产生AMI码,...
那群猎犬循臭味追寻牡鹿.The hounds followed the stag's scent.警方一直在追寻死者的妹妹, 但他们不知道她住在哪里.The police have been trying to chase up the dead man's sister, but they have no idea where she lives.侦探追寻着吉普留下的车辙痕迹.The detective follo...