extraneousadj.外来的;无关的
extraneous peak外来峰
extraneous term额外项
extraneous echo额外回波
extraneous root额外根
extraneous loss额外损失
extraneous dirt外来杂质
extraneous risk附加险
extraneous flux寄生通量
extraneous rust外部锈蚀
extraneous waves寄生波