肝胰腺由两侧对称的分枝上皮小管组成。

The shrimp hepatopancreas consists of a lot of epithelial tubules which are symmetrical.

我喜欢保持这种平衡，两侧对称，以及从一侧到另一侧转动时。

I like to try for this kind of balance, or symmetry, from side to side.

脊索动物两侧对称、三胚层，分节的体腔，在胚胎发育的早期过程中，显示为后口类型。

Chordates are bilaterally symmetrical, triploblastic, segmented coelomates which demonstrate a deuterostomic pattern of early embryonic development.

规律之一是对称-对称的确是相貌更具吸引力。

One rule is symmetry - it does make faces more attractive.

本文讨论对称及广义对称非线性系统的可达性与可控性。

This paper discusses the reachability and the controllability of symmetric and generalized symmetric systems.