查询词典 skate brake

The first mass-produced roller blades, while innovative had some design flaws: they were difficult to put on and adjust, prone to collecting dirt and moisture in the ball-bearings, the wheels were easily damaged and the brakes came from the old roller skate toe-brake and were not very effective.

早期的大量生产的单排轮滑鞋，有一些设计上的问题：它们很难穿上和调整，容易沾上污物，轮子容易损坏，球轴承容易潮湿，来自老式轮滑鞋的刹车装置不是很有效。

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。