廉价材料 meaning in Chinese

cheap materials

At present , the application of solar cells used on the ground is limited mainly because of the complexity of producing processes and the high cost of single crystal and macrocrystal silicon
利用廉价材料制备低成本、高效能的太阳能电池一直是光伏领域的研究热点和难点。目前用于地面的晶硅电池由于生产工艺复杂、成本高，使其应用受到限制。
3 . the introduction most of schwartz ' s important design work to summarize the five characters on her design : application of ready - made materials ; geometrical layout ; florid color ; exaggerate forms and metaphor . 4
从设计形式与特色入手，总结了施瓦兹作品的五大特色：日用品及廉价材料的应用；重复性的几何式布局；绚丽的色彩；夸张与幽默的造型；隐喻的应用。