region: n.1.地方，地域，地带；地区；行政区，管辖区，区；左近，邻近；(大气、海水等的)层，界，境。2.【解剖学；动物学】(身体的)局部，部位。3.(学问等的)范围，领域。4.〔罕用语〕天空。短语和例子a fertile region 肥沃地带。 a desert region 沙漠地带。 forest regions 森林地带。 the lower [infernal, net
Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform ( dct ) in ray - space data compression 在光线空间的数据压缩中，计算了数据的相关系数，采用二维离散余弦变换( dct )进行了变换域分析。
