light gap造句

but the composite must have enough pervious light gap between conducting particles, or the particle size is less than the wavelength of visible light . so preparation of indium, tin oxide ( in2o3 / sno2 ) nano powders by promising method of sol-gel in liquid and surface modification were studied . we hope to summarize general nano preparation, modification and characterization methods
所以本研究的目的是利用液相法中较有前途的溶胶-凝胶法制备氧化铟、氧化锡及其复合氧化物(in_2o_3sno_2)纳米粉料，并对其进行表面修饰和综合表征，为大课题提供原材料并可望总结出普遍可行的纳米粒子制备、修饰及表征方法。
It's difficult to find light gap in a sentence. 用light gap造句挺难的