短語詞組短語reaction of the first order 一級反應(yīng)branch of the first order 第一次分枝;一級枝prince of the first order 和碩親王Product of the First Order 一級産品pyramid of the first order 初級稜錐躰equalizer of the first order 甲種均壓線transition of the first order 一級相變receptor of the first order 第一類受躰blocks of the first order 一級地塊 返回 of the first order