四方形容词 本文已影响 2.73W人 形容词是Tetragonal,square例如四方的庭院是用石头铺成的,上面露天。The court or quadrangle was stone-paved, and open to the sky.利用低温超强碱法制备出了纳米四方多晶氧化锆粉体。The nanometer tetragonal polycrystal zirconia powder was prepared by the super alkaline method at low temperature.