查询词典 punched-card reader

A device that reads or senses the hole patterns in a punched tape, transforming the data from the hole patterns to electrical signals.

读入或感知穿孔纸带上的穿孔模式，将它所代表的数据转换成电信号的一种设备。同perforated-tape reader

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。