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...
除股价上升之外还有无形利益。There are intangible benefits beyond a rise in the share price.无形贸易盈余比报道所称的少2亿英镑。The invisible trade surplus was £200 million lower than reported.旅游业是英国最大的一项无形输出。Tourism is Britain's single biggest inv...