Some cars came through, towing small boats and big outboard motors on trailers.有些汽车开过, 拖车上装着小游艇和挺大的外装马达.You hear his dulcet tones on the Radio 1 trailers in the morning.你在早晨广播一台的新片预告节目中就能听到他悦耳的声音。We also carry tyres and ...
一些蝙蝠已经把用于发出回声定位叫声的结构专门化了.Some bats have specialized structures for emitting echolocation calls.“啊, ”叫声的回音.AAAAAAAAAAAAAHHHHHHH, the scream echoed.因此,小波分析是分析蝙蝠回声定位叫声的一种有效的新途径,有其广泛的应用价值.DWT is testified to be a new effecti...