球面三角的英文

spherical triangle

spherical trigonometry

• 球面:    spherical surface; ...
• 三角:    triangle; trigonom ...
• 球面三角区:    gore

例句与用法

1. Until about 1450 spherical trigonometry consisted of loose rules based on greek, hindu and arabic versions .
   差不多直到1450年球面三角的内容由一些不严谨的法则组成，这此法则的基础是希腊、印度和阿拉伯译本。
2. For every large time intervals and for stars near to the pole, it is necessary, however, to use the exact formulae of spherical trignometry .
   对于很长的时间间隔和靠近极星的恒星，必须使用精确的球面三角公式。
3. The application of spherical surface triangle on the quantization of sun circle daily turn around
   运用球面三角知识量化太阳周日视运动规律
4. This paper discusses in detail the range of lon gitude of ascending node of the orbits , by which point and area targets can be c o vered in different conditions by considering the disturbance of the earth shape j2 using a sphere triangle method , and provides a whole analytic expressio n
   利用球面三角方法详细讨论了在考虑地球形状j2项的摄动影响时，各种情况下能覆盖目标点的轨道的升交点经度范围，并将其推广到对区域目标的覆盖，给出了完整的解析表达式。
5. Four parameters for determining the type of circuit of spherical four - bar linkage are defined . according to the relationship of these parameters , three types of circuit of spherical four - bar linkage are found , which is proved in view of geometry point . base on the theory of sphere triangle , an approach of identifying the circuit and branch defect of spherical four - bar linkage is proposed
   首先提出了四个回路类型判断参数，根西安理工大学博士学位论文据这些参数之间的关系，将球面4r机构回路分为三种类型，并从几何的观点进行了证明;然后基于球面三角理论，提出了球面4r机构回路及分支缺陷识别的转角符号法，而由空间第一组机构与其等效球面4r机构回路特性的等效性，此方法对空间第一组机构的回路和分支缺陷的识别同样有效。