复数： chub chubs

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Study on improving the quality of chub mackerel food .

鲐鱼调味方便食品质量提高的研究。

But trout and chub co-existed untilthe glen canyon dam was built , so something else is going on .

但在格兰峡谷大坝修建之前，鳟鱼和弓背就已经共存，所以，一定发生了别的事情。

Study on the reasonable utilization of chub mackerel in the east china sea .

东海鲐鱼资源合理利用的研究。

Effect of yam addition amount on quality of chub meat paste .

山药添加量对鲢鱼鱼糜制品品质的影响。

At first sight , itlooked as if the reason was that the chub were being eaten by trout introducedfor sport fishing in the mid-20th century .

初一看，好像是因为弓背被20世纪中为了钓鱼运动而引入的鳟鱼大量吃掉了。