短語詞組短語Biconcave Programs 雙凹規(guī)劃biconcave function 雙凹函數(shù)biconcave lens [光]雙凹透鏡;雙凹面鏡;兩面凹鏡biconcave vertebra 雙凹椎biconcave programming 雙凹規(guī)劃a biconcave lens 雙凹面透鏡 返回 biconcave