成对t检验显示，左右矢耳石间的重量无显著差异（P>0.05），选用左矢耳石为研究对象。
There were no significant differences in sagittal otolith weight between otolith in pairs(P>0.05), the left sagittal otolith was used in this research.
在描述鳞片、背鳍条和矢耳石三种材料轮纹特征的基础上，比较了这些年龄鉴定材料在判读错鄂裸鲤年龄和反映生长特征上的异同。
The characteristics of three kinds of age determination materials, otoliths scales and dorsal fin spines from Gymnocypris cuoensis had been described and compared in their using in age determination.
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