明流反弧段是容易发生空蚀的部位。
The place downstream of bucket in an open channel is easily subject to cavitation damages.
它的各个弧段则代表一个波长的相应分数。
Sectors of it represent corresponding fractions of a wavelength.
介绍了风机集流器弧段压型、组焊的工艺方法。
The method of segmental arc pressing and combinational weld technology of fan collector is introduced.
传统的交通网络数据模型是用结点-弧段模型来表示的。
The basic data model of transportation network is represented by node-arc model.
研究了在降弧段进行高空机动的再入飞行器最优制导律。
An optimal guidance law for reentry vehicle with high altitude maneuvering on downward phase is studied.
用这个方法预报内容多，省去了每圈求卫星可见弧段的计算。
Using this method, we can obtain more information, and calculating of the visibility of satellites in every pass has been omitted.
提出了一种求解龙抬头泄洪洞反弧段流场的新方法——流线迭代法。
A new approach streamline iteration method for calculating flow field of flood tunnel bucket is presented.
利用地图匹配技术，实现了车辆位置与电子地图中路网弧段的关联。
Through map matching, vehicle position and road section in the digital map were bound.
具体计算时该取多少项，应根据选用弧段的长短及精度要求来确定。
The term Numbers of CD adopted in practicable calculation can be determined according to the length of fitted data arc and desired accuracy.
跟踪系统加入正割补偿后将对高仰角弧段雷达的跟踪性能产生影响。
Being adding the offset, the tracking system will effect on the performance of trail radar in high elevation arc segment.
本文从系统研究二元明流反弧段的水力特性入手，探讨反弧段的空化特性。
After systematical research on the related hydraulic characteristics is carried out those of cavitation are further investigated.
本文讨论了基于弧段的多边形自动组织，这种方法所需信息少，适应范围广。
Automatic organization of polygon only based on arc is discussed in this paper. This method needs little information, and is widely used.
推力有限时，地球同步轨道卫星在远地点变轨的弧段很长，会导致较多的燃料消耗。
In the case of finite thrust apogee maneuver for the geostationary satellite, the fuel consumption increases due to the long burn arc.
以弧段动力学作为区域轮廓的显著性评价，提出了一种多等级区域轮廓提取的高效方法。
Using arc dynamic as a measurement of contours saliency, one hierarchical contours detection method of high efficiency was proposed.
应用弹性力学理论，推导出接触点的曲率半径，对三弧段等距型面联接进行接触应力计算。
The curvature radius was derivated and the contact stress of the three-arc-sect isometric type surface was calculated through the elastic dynamics theory.
通过对飞行器交会过程中最优推力弧段的研究，给出了关于飞行器的最优推力弧段的几个性质。
Several properties on optimal thrust arcs are presented on the basis of the rendezvous process of spacecraft.
研究表明，溢流坝反弧段内流动存在着微弱的三维结构，流的三维性主要由侧壁边界层及表面棱形波造成。
This may be caused by the side wall boundary layer and prismatic wave on the surface of the flow.
从分析实用等距曲线的构成入手，推导出了实用三弧段等距型面的大圆弧半径计算公式和型面曲线的数学模型。
Based on analyzing the structure of practicable isometric profile, the radius calculating formula of bigger arc and the mathematical model of practicable isometric-trilateral profile are reduced.
我们提出了圆加垂直弧段及三棱锥的三棱线这两种新的锥顶轨迹，并研究了以其进行精确重建所需的完全性条件。
In this paper two new cone vertex orbits, which are circle and arc and regular triangular pyramid lines, have been proposed and their complete conditions for exact reconstruction have been obtained.
本文利用高速水力学国家重点实验室的激光测速系统，对两种反弧半径，三种不同粗糙度的溢流反弧段的水流流速进行了量测。
The velocities over the spillway buckets of three roughness surfaces and two radius are measured by LDV in the National Key Laboratory of the Hydraulics for the High-velocity of CUST.
通过确定凸、凹弧段的最小曲率半径，结合此弧段范围内中间架的有效处理，既达到了胶带平稳运行的目的，又降低了加工制造和安装的难度，取得了很好的效果。
At the moment, through the calculation of minimum curvature radius and dealing well with single middle shelf, belt conveyor can operate commendably and can be processed and installed easy.
本文通过分析遥感分类图栅格像元之间的关系，快速自动地提取矢量数据点及其连接信息，进而利用连接信息快速生成弧段，由弧段自动组建多边形并建立完整的拓扑关系。
In this paper, we analyzed the relations between pixel and pixel in the classified raster map. Based on the relations, all vector points and the connection information between them can be extracted.
在字符识别中，用以构成图形字符中某一小段的直线或弧。
In character recognition, a straight line or arc used as a segment of a graphic character.
第一个图形是一段弧，后跟一条直线。 。
我听过一种说法，每个人都是一段弧，能刚好凑成一个圆圈的两个人是一对，那时我特别相信这句话。
I have heard a saying that every person is an arc, and the two who can form a circle are a couple, at that time I strongly believe that.
每个人都是一段弧，能凑成一个圆的两个人！
Each people all are section of arcs, can add up to round two people!
有人告诉我，我们是最合适的两段弧，所以，我们才组成了这么美丽的一个圆。但那真的是圆吗？
Someone once told me that we are two of the most suitable arcs, so we can make such a beautiful circle. But is that really true?
第一个图形是一段弧，后跟一条直线。
第一个图形是一段弧，后跟一条直线。 。
角球区：以边线和球门线交叉点为圆点，以1米为半径，向场内各画一段四分之一的圆弧，这个弧内地区叫角球区。
Corner Area: the edge line with the goal line cross, have a dot, radius is 1m, drawing a quarter of circle arc.
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