order logic阶: steps; stairs逻辑: logicn阶逻辑: n order logic二阶逻辑: second order logic; second-order logic高阶逻辑: high order logic; higher order logic; higher-order logic; highor-order logic下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:阶逻辑,即可在微信中查询翻译