这是我的一个朋友。
He is one of the greatest PF in the world.
他是世界上最伟大的大前锋之一。
We have several kinds, all made pf different material.
我们有几种,材质都不一样。
Pf : Probability that a piece of space junk will survive reentry.
Pf:指一块太空垃圾坠落到地球表面的概率。
Conclusion : The method is suitable for the quality control of PF.
结论:该法准确、灵敏,结果可信,适用于注射用葛根素的质量控制。
Objective To study the biological activity of placenta factor(PF) .
目的进一步探讨胎盘因子(PF)的生物活性。
We live in a wonderful world that is full pf beauty, charm and adventure.
我们身处一个奇妙世界,它美丽动人、充满魅力,随处可以冒险探秘。
We live in a wonderful world that is full pf beauty, charm and adventure.
我们身处一个奇妙世界,它美丽动人、充满魅力,随处可以冒险探秘。
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