恒星系统

The system contains at least two stars, of which one is the bright blue variable star.

这一系统至少包含两颗恒星，其中一颗是明亮的蓝变星。

A nearby star, visible with the unaided eye, is ringed with two rocky asteroid belts and an outer icy halo, making it a three-ring cosmic circus.

一颗肉眼可见的附近恒星，被两个岩石小行星带和一个多冰的外围晕轮所环绕，使其成为由三个环带围绕的宇宙圆形系统。

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。