Three-dimensional tetragonal space structured with the letter d.
以字母d构造出立体的四方结构空间。
Analysis of the tetragonal tool rest electrical apparatus fault on cnc machine tool .
数控机床四方电动刀架电器故障分析。
Properties and microstructure of nano-powder 3 mol % yttria stabilized tetragonal zirconia polycrystal as dental materials .
牙科纳米材料摩尔分数为3%氧化钇稳定的四方多晶氧化锆性能及其微观结构。
The experiment results indicate that the films are multi-crystal , and the tetragonal is dominant . With the oxygen partial pressure increasing , the crystalline , refractive index and weak absorption are all decreasing .
