We should study age-related changes in the pyramidalis muscle.

我们应该探索锥状肌的年龄变化。

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Pyramidalis, Prunus triloba and Prunus cerasifera cv. Ptropurpurea and so on as tested tree species, the control effects of various control technologies were studied.

在陕州风景区内，以龙柏、蜀桧、榆叶梅、红叶李等作为供试树种，研究各种防治技术的防治效果。

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