英语语法分析

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

我们应该探索锥状肌的年龄变化。

In order to study age-related changes in the pyramidalis muscle, 49 fetus were observed.

为了探索锥状肌的年龄变化，本文对49例胎儿作了观测。

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。