Planetary nebulae are a type of isolated gaseous nebulae possessing a fair degree of bilateral symmetry.

行星状星云是一类孤立的气体星云,具有相当程度的双侧对称性.

辞典例句

Bilateral symmetry of denture , masseter muscle, TMJ and jaw movement.

牙列 、 咀嚼肌 、 颞下颌关节、下颌运动左右对称.

期刊摘选

Bilateral symmetry has been maintained as far as possible within the room.

这个房间尽可能地保持了左右对称.

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The result of the operation was pleasing with good aesthetic appearance, bilateral symmetry, and inconspicuous scars.

使用这种缩耳手术方式,术后可达到美好的外观, 两耳对称, 及疤痕不明显的目标.

期刊摘选

For the foramen spinosum, bilateral symmetry in 3 cases ( 15 % ) and asymmetry in 17 cases ( 85 % ).

棘孔两侧对称3例 ( 15% ) ,两侧不对称者17例 ( 85% ).

期刊摘选

Bilateral symmetry, for example, is almost universal among animals.

举例来说左右对称就几乎普遍地存在动物世界.

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