短語詞組短語point and sphere engineering 點面工程integrate point and sphere 點面結(jié)合lattice point in sphere problem 球內(nèi)的整點問題near point sphere 近點視球twelve point sphere 十二點球three -point sphere brace 三點支承-point build a sphere 四點共球法interior point of a sphere 球的內(nèi)點exterior point of a sphere 球的外點 返回 point sphere