subtend
基本解释
- vt.[数]对着；对向；[植]包在叶腋内
英汉例句
- 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。 - Usually, two pairs of the fertile bracts in the middle of the cone subtend six ovules, which initiate in an acropetal manner.
在北京 ,雌球果原基 7月分化。 通常一个球果有 4对苞片 ,中部两对可育 ,靠球果顶端一对各产生一枚胚珠 ,其下一对各两枚。 - Planck will be able to measure CMB temperature differences as small as five millionths of a kelvin and detect hot and cold spots that subtend less than a tenth of a degree across the sky.
普朗克号将可测量到五百万分之一K的CMB温度差异，并侦测到天空上张角小于1/10度的冷热区域。 - 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
英英字典
- When a line subtends an angle, lines drawn from its ends form that angle at the point where they meet