two ribs两肋twonum.二；两个two-branch tournament genetic algorithm两支联赛遗传算法two thousand eight hundred and eighty two(=2882) 二千八百八十二two thousand seven hundred and twenty two(=2722) 二千七百二十二two thousand five hundred and ninety five(=2595) 二千五百九十五two thousand six hundred and eighty three(=2683) 二千六百八十三two thousand seven hundred and eighty one(=2781) 二千七百八十一two thousand five hundred and twenty five(=2525) 二千五百二十五two-polarization mode maintaining fiber双偏振模保偏光纤two thousand eight hundred and fifty nine(=2859) 二千八百五十九Two-dimensional direct linear transform二维DLT