这里是调频立体声103.7。This is FM stereo one oh three point seven.他放立体声音响时总把低音调得很大。He always plays his stereo with the bass turned right up.把立体声唱机的高音音量调大to turn up the treble on the stereo...
Three novel Schiff bases were synthesized using the reaction of 4 - aminoatipyrine with 3 - formylchromone, cinnamaldehyde and anisaldehyde.用 4- 氨基安替比林与 3- 甲酰基色酮 、 肉桂醛、茴香醛反应分别合成了3种新的席夫碱化合物....
A fluid may flow through a maze of tiny channels , bifurcating and recombining randomly.流体可以经过很小的、完全随机地分开又重新结合的,错综复杂的渠道而流动.The lower part of PV curve contains abundant information about UEP bifurcating as power changes.常...