一次: once式: type; style布尔一次式: boolean primary空投一次式深海温度计: airborne expendable bathythermograph二次式: quadratic form三次式: cubic expression四次式: quarternary quantic; quartic替次式: alternative forms因次式: dimensional expression; dimensional formula布尔二次式: boolean secondary层次式搜索: hierarchical search第四次式举: extra attempt分次式火炉: batch type annealing furnace分次式熔炉: batch-type furnace复合二次式: compound quadratic form完全三次式: perfect cubic expression无因次式: dimensionless form形变二次式: quadric of deformation应力二次式: stress quadric一次: 1.(一回) once 一周一次 once a week; 不止一次 more than once; 再一次 once again; 再试一次 try once again; 一次就够了吗? will once be enough? 雷声隔得一次比一次久, 这意味着暴风雨正在过去。 the increasing distance between thunderclaps meant the storm was moving away. 我到过那儿一次。 i have been there once. 我只见过他一次。 i've met her only once.2.[数学] linear3.[电学] primary当次式奴隶制: contemporary forms of slavery非层次式规划: nonhierarchical planning非层次式系统: homologous system分次式混合机: batch mixer分次式磨粉机: batch mill
