他们冬天一起去溜冰。They all went skating together in the winter.我喜欢看电视上的溜冰表演。I love watching ice-skating on television.其他的溜冰者都被勒令离开溜冰场。The other skaters were ordered off the rink....
可分辨与不可分辨的谐波分别为何?What is meant by the terms resolved and unresolved harmonics?对焊缝中的微细缺陷,运用 非 锐化掩模滤波算法加强其微细缺陷特征,提高了微细缺陷的可分辨性.The non - sharp masking filter arithmetic was adopted to enhance the distinguishing the minutenes...