查询词典 segment of a circle

Since cross ratio is an invariant of the group of all Mbius transformations,and a Mbius transformation maps a circle into another circle, it is convenient to represent a segment of circular arc with a parametric complex rational function.

利用Mbius变换的保交比性质和保圆性质，给出了一种快速、简便地生成平面上的一段精确圆弧曲线的新方法。

The design work of product oil pipeline is greatly different from that of crude oil pipeline, which is mostly existed in pipeline's batched transportation, transportation circle, optimization of oilcan's cubage and oil mixture's management, etc.Within a product oil batched transportation pipeline, the less the transportation circles are and the more the transportation sum of each kind of oil, the less the mixed oil segment and oil mixture loss will form.

成品油管道设计与原油管道有很大的区别，主要就体现在管道的顺序输送和批次、罐容的优化，混油的处理等方面。

Human brain bridging veins may be the key point of brain vein blood outflow volume because of existing of "outflow cuff segment": ICP increased, outflow resistance increased, outflow volume reduced, then caused the aggravatation of vein blood deposition in vein bed. Such a sequent procedure formed an infernal circle: ICP increase-vein outflow reduce-vein blood deposition-ICP increase all the better.

该部分研究结果发现，由于流出口狭部的存在，人脑桥静脉是脑静脉血液流出被动调节机制的关键环节，颅内压增高，流出阻力增加，流出量减少，进而又加重了血液在静脉血管床的淤积，形成颅内压增高-静脉流出量减少-静脉血淤积-颅内压进一步增高的恶性循环。

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。