In the future the machines will need spare parts and maintenance.这些机器将来会需要备件和维修保养。He believes food prices will go up in the future.他认为食品价格将来会上涨。I made a silent vow to be more careful in the future.我暗暗发誓，日后要倍加小心。...
女孩正坐在椅子上弹扬琴.The girl is sitting on the chair, playing the harp.我姐姐编的《渔舟唱晚》钢琴演奏(由扬琴曲编的).My sister's piano re - arrangement of at originally played on Yang Qin.独奏多用琵琶或扬琴.Solos were mostly played on the pipa or yangqin...
因此, 上述的无规相位变化就很少出现.As a result, the random phase changes mentioned above occur much less frequently.曲线形相位特性减小了波形振幅峰值.The imposition of a curved phase characteristic reduces the peak amplitude of the waveform.它包括了在该范围上相位谱...