1) polygon
[英]['pɔlɪɡən] [美]['pɑlɪ'gɑn]
封闭折线
2) general closed planar broken line
一般平面封闭折线
1.
In this paper,the cosine law of general closed planar broken line is acquired by generalizing cosine law of triangle.
将三角形中的余弦定律进行推广,得到一般平面封闭折线的余弦定律。
3) closed fracture (fracture)
封闭式骨折(骨折)
4) closed curve
封闭曲线
1.
This paper, using mathematical analysis method,shows that the area ratio of two plane regions bounded by several arbitrary closed curves is an affine invariant.
本文利用数学分析方法,证明了由若干条封闭曲线所围两平面区域面积之比是一仿射不变量。
2.
the institution can be described by a closed curve in the feasibility set.
本文根据制度的一般定义 ,建立了制度描述的一个数学模型 ,即制度可用行为集中的一条封闭曲线来描述。
3.
In this paper,with the square root of RH boundary value problems for two situations: closed curve with the square root of the RH boundary value problems and more generally(mainly on the opening arc) with the square root of the boundary value problems were discussed.
对带平方根的复合RH边值问题的两种情况:封闭曲线上带平方根的RH边值问题和更一般情况(主要是开口弧上)带平方根的RH边值问题进行了讨论,通过对未知函数的结构分析,将它们转化为一般的边值问题,进一步又可将其化为经典的Riemann边值问题。
5) enclosed bus
封闭母线
1.
This paper introduces the fault course that the stator ground protection alarming and tripping caused by generator enclosed bus wetting of units 3 & 4 in Zhangjiakou Power Plant,analyzed the cause of null sequence voltage alarming of unit 3 and the handling measures.
简单介绍了大唐国际张家口发电厂3、4号机组由于发电机封闭母线受潮导致定子接地保护报警、动作跳闸的事故经过,分析了3号机组零序电压报警的原因及处理措施。
2.
Along with the universal application of large generator, the enclosed bus with big current for generator outgoing line is adopted extensively.
随着大容量发电机的普遍应用,发电机出线的大电流封闭母线也被广泛采用。
3.
The selection and determination of isolation level of isolated-phase enclosed bus and cooling mode are introduced.
重点介绍了公伯峡水电站离相封闭母线绝缘水平和冷却方式的选择和确定,并对离相封闭母线的几个重点问题如结构特点、接地、与相关设备的连接、短路试验装置的设置等作了简单介绍。
6) enclosed bus-bar
封闭母线
1.
The enclosed bus-bar is the important equipment in the power transmission.
封闭母线是进行电力传输的重要载体,封闭母线的发热损耗一直是困扰着电能运输及有效利用的重要问题。
2.
The rated current of enclosed bus-bar main circuit is 36 000 A for 1 250 MW units in Shandong Haiyang and Zhejang Sanmen Nuclear Power Stations.
山东海阳及浙江三门核电1 250 MW机组离相封闭母线主回路的额定电流为36 kA。
3.
The forced air-cooling enclosed bus-bar is the development trend of the enclosed bus-bar.
强迫风冷封闭母线是封闭母线发展的趋势。
补充资料：折线
用线段依次连接不在一直线上的若干个点所组成的图形。各线段称为折线的边；各点称为折线的顶点，其中第一点称为起点，最后一点称为终点。起点和终点重合的折线称为封闭折线或多边形。不相邻的两边都不相交的折线称为简单折线。如果对于简单折线的任一边所在的直线，折线其他各边都在其同侧，则称此为凸折线；否则称为凹折线。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条