“PTF”可以造什么句，PTF造句

Objective: to observe the effect of portulaca total flavone (PTF) on cardiac function and arterial pressure of anesthetic rats.

The results show that investment of PTF increases the GDP more than the investment of PTF, large quantity of tax and profit, a lot of opportunity of employment.

Optomec公司开发了一种名为MTM的新型印刷技术，用于沉积高精度PTF电阻。