英语语法分析

Objective To study the application of perfluorocarbon in corneal metaphase preservation.

目的探讨氟碳在角膜中期保存中的应用价值。

Objective: To explore the safety of self-made perfluorocarbon ultrasound contrast agent.

前言：目的：研究自制的氟碳声学造影剂的安全性。

Objective: To investigate the enhance we are pirates, these data are stolen from youdao of color Doppler signals in normal lower limb arteries by perfluorocarbon contrast agent.

目的：探讨氟碳声学造影剂对下肢动脉彩色血流信号的增强作用。