查询词典 equilateral triangle

200 term pregnant women were enrolled. The way of parturition was determined by comparing circumcircle area of posterior triangle of exitus pelvis with fetal head cross section area and traditional method.

选择200例正常足月妊娠的孕妇，用骨盆出口后三角外接圆面积与胎头横截面积比较的方法和传统的判断试产的方法来决定孕妇分娩的方式。

The Delaunay triangulation is an aggregate of connected but nonoverlapping triangles, and the circumcircle of each triangle contains no other point in its interior.

Delaunay三角网为相互邻接且互不重叠的三角形集合，其中每一个三角形的外接圆内不包含其他的点。

The method of comparing circumcircle area of posterior triangle of exitus pelvis with fetal head cross section area is a quantitative criteria for iudging trial of labour. It's accuracy of judging trial of labour is high.

骨盆出口后三角外接圆面积与胎头横截面积比较是一个定量的判断试产的标准，判断试产的准确性高。

That of comparing circumcircle area of posterior triangle of exitus pelvis with fetal head cross section area for judging trial of labour was 5.8%.

而骨盆后三角外接圆面积与胎头横截面积比较的方法，剖宫产率为5.8%。

The criteria of the minimum zone circle method, minimum circumscribed circle method and maximum inscribed circle method were researched and the criterion of obtuse triangle was proposed.

研究了圆度误差评定中最小区域圆法、最小外接圆法和最大内接圆法的判别准则，提出了具有最小误差的外接圆和内接圆的钝角三角形准则，使圆度误差的判别准则得到完善。

Based on the criteria of roundness error, the definition of the circumscribed circle and inscribed circle with the least roundness error was given. The solution to the circumscribed circle and inscribed circle with the least roundness error was proposed when they met with the criterion of obtuse triangle.

根据圆度误差评定的判别准则，给出具有最小误差的外接圆和内接圆的定义，并提出了解决具有最小误差的外接圆和内接圆满足钝角三角形准则时的误差评定方法。

From the perspective of geologic evolution, this paper discusses the conformation features of fault block, emphatically demonstrates the closure property of the margin of complex fault block and the controlling of the fault block internal structure on accumulation of CBM, and points out that the synclinal and synclinorial areas of thrust fault block and structurally triangle fault block areas would be favorable for CBM occurrence.

本文从构造演化出发，讨论了区内复杂断块的形态类型特征，着重论述了复杂断块体边界断裂的封闭性以及断块体内部构造配置对煤层气成藏的控制作用。分析得出逆冲断块的向斜、复向斜区域和构造三角断块区是煤层气成藏的有利区块。

Art Corner: color in shapes circle, triangle, square

为各种形状着色，感知不同形状的特点。

Debut, and a continuation of last year's "Iron Triangle "come up with a combination known as the" Village night,"the comic opera, so as to the identity of the old youth about the period of both warmth and funny story.

闪亮登场，并延续去年的"铁三角"组合拿出了一个名叫《山村夜店》的相声剧，以老知青的身份讲述了一段既温情又搞笑的故事。

Particularly, triangle strips have been widely used to compactly encode rendering sequences.

特别是，三角形条带已经被广泛的使用于紧促的编码渲染序列。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。