subtend
美[səb'tend] 英[səb'tend]
vt. [数]对着；对向；[植]包在叶腋内
英英释义
Verb- be opposite to; of angles and sides, in geometry
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
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