行星绕太阳运行的轨道是近圆形的椭圆，太阳位于每个椭圆中心的附近。
Planets orbit the sun in oval-shaped paths called ellipses, and the sun is slightly off to the side of the center of each ellipse.
迄今为止所发现的454颗系外行星中，多颗都具有极近椭圆形的轨道，这意味着行星与它们的母星并不总保持相同距离。
Many of the 454 exoplanets discovered to date have highly elliptical orbits, meaning the planets are not always the same distance from their parent star.
他只有一组词和大家的意见不一样，他把“远”和正方形，“近”和圆形配成了对。
He made only one match differing from the consensus, assigning 'far' to square and 'near' to circle.
叶片通常长圆形到卵形，心形的或近如此在基部；叶和果没有短柔毛。
Leaf blade usually oblong to ovate, cordate or nearly so at base; leaf and fruit without pubescence.
方法利用体外培养的单层近融合期人RPE细胞，采用棉签和角膜移植用环钻做圆形细胞刮伤区，建立体外RPE细胞损伤模型。
Methods Cultured monolayer-confluent human RPE cells were scraped with a trephine and a cotton stick, and set up the injured model of RPE cells with round scraped area.
月亮绕地球运行轨道为椭圆形而非正圆。所以月亮绕地球运动的过程中，有时月亮会离地球近一些，而有的时候离地球远一些。
The moon's orbit is elliptical rather than perfectly circular, so as the moon moves around the Earth it is sometimes a little bit closer and sometimes a bit further away from us.
蒴果椭圆形，卵球形，或者近球形；托杯纵向的8肋。
Capsule ellipsoid, ovoid, or subglobular ; hypanthium longitudinally 8-ribbed.
本文应用随机介质模型，导出近地表表土及风化层中开挖圆形隧道引起地表移动及变形的有关预计公式。
Based on stochastic medium model, The formulas have been derived for predicting ground surface movement and deformation due to near-surface tunnel excavation.
本文应用随机介质模型，导出近地表表土及风化层中开挖圆形隧道引起地表移动及变形的有关预计公式。
Based on stochastic medium model, The formulas have been derived for predicting ground surface movement and deformation due to near-surface tunnel excavation.
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