在前一种中，左右型对称骨片的存在证实该动物两侧对称。
Left right sclerite pairs are found which proves a bilaterally symmetrical body of the animal.
普通人红外热图所示背部温度分布为高温区分布于脊柱区域及背部两侧上部、低温区分布于背部两侧下部、双侧基本对称的Y 型、V 型或T 型模式。
The most common patterns are Y, V or T patterns. The spine area and upper parts of the back appeared as relatively hot places and lower parts of the lateral back as cool places.
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