subtend

英 [səbˈtend]

美 [səbˈtend]

v.  对向(弧或角)

过去式：subtended　第三人称单数：subtends　过去分词：subtended　现在分词：subtending　

BNC.47643 / COCA.36751

牛津词典

verb

• 对向（弧或角）
  to be opposite to an arc or angle

英英释义

verb

• be opposite to
  Synonym:delimit

双语例句

• Accuracy Analysis of Subtend Trigonometric Leveling and Determination of Weight Matrix for Adjustment of Elevation Mixed Network
  精密测距三角高程精度分析及高程混合网定权
• In this paper, based on the error theory, the mean square error of elevation difference median in bilateral observation of subtend trigonometric distance measure is presumed.
  应用误差理论，推算测距三角高程对向观测高差中数中误差；
• In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre.
  在菊科植物中，苞片数目多而聚生在花序外围，称为总苞。
• In estimating the accuracy of subtend trigonometric leveling, a model that computes the difference of refraction coefficient and its accuracy is proposed in the paper.
  在精密测距三角高程精度估算中，提出了往返折光系数差的计算模型及其精度估算方法；
• In addition, the bands of scattered light, which subtend a large angle with the crystal as its vertex, have been observed.
  同时还观察到了具有较大张角的散射带。