instruction of design造句

at present time, many mechanics performances of the gfrp bars are remains uncertain and the instruction of design is rare . this paper is deal with some mechanical experiences and theory researches of gfrp rods concrete beams
目前玻璃钢筋增强混凝土的很多力学性能并不明确，在应用方面的设计指导也不多，本文针对玻璃钢筋增强呋喃树脂混凝土梁做了一些力学实验及理论方面的研究。
the article introduces the air conditioner design of the gymnasium of guangzhou medical college ( dongguan section ), focuses on the instructions of design method which can give attention to the different requirements for velocity of air flow in competing fields for various “ big balls and small balls ”, and simultaneously narrates in brief the brand-new ventilation system and smoke-expelling system of the gymnasium
本文介绍了广东医学院东莞校区体育馆空调系统的设计,重点说明了兼顾大小球比赛对比赛场地空气流速的不同要求的设计方法,同时也简述了体育馆的全新风系统及排烟系统。
It's difficult to find instruction of design in a sentence. 用instruction of design造句挺难的