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...
The rich districts can outbid the country school for teachers.富裕地区能以高薪从乡村聘走教员.The custom still obtains in some districts.这种风俗在某些地方仍然流行.Our municipality is divided into ten districts.我们这个市,下面设10个区....
His apartment was the most famous literary salon in Russia.他的公寓是俄国最著名的文学沙龙会所。the abolition of serfdom in Russia in 18611861年农奴制在俄国的废除The middle decades of the 19th century marked a watershed in Russia's history.19世纪...