英语语法分析

Objective: To investigate the operative technique of laparoscopic cholecystectomy for porcelaneous gallbladder.

目的：探讨“瓷化”样胆囊的腹腔镜切除技术。

It can be concluded that the porcelaneous layers are composed of vaterites with two kinds of microscopic morphology.

结果表明，珍珠表面的瓷质层由两种形貌完全不同的六方碳钙石组成。