查询词典 valvulae

Leaving alone set of base pin general multi-choices in rough and straightforward willowy blood stream rich easy fixed vein, if wants the vein expensively, a vein, the median vein, is not easy to choose in the lower limb, because the lower limb valvulae venarum are many, easy to have the phlebitis.

留置套管针一般多选择在粗直有弹性血流丰富易于固定的静脉，如贵要静脉，头静脉，正中静脉，不易选择在下肢，因为下肢静脉瓣较多，易发生静脉炎。

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。