zhí wù xué > píng fāng de



mùlù ·yīngwénjièshì ·bāo hán cí ·gèngduōjiéguǒ... yīngwénjièshì adj.:  sq,  square,  super,  superficial,  measuring a specified amount on all four sides, as a calculation of area bāo hán cí kě píng fāng de kě wéi píng fāng de