常見例句雙語例句RESEARCH DESIGN AND METHODS This was a double-blind, randomized, crossover trial.研究設(shè)計(jì)與方法本研究爲(wèi)一項(xiàng)雙盲、隨機(jī)、交叉試騐。In this double-blind, randomized, placebo-controlled, crossover trial, we have studied the effects of a single dose of red hot chili pepper on the hemorrhoidal symptoms.在該項(xiàng)雙盲、隨機(jī)、安慰劑對照、交叉試騐中，作者研究了紅辣椒單次劑量對痔瘡癥狀的影響。 返回 double-blind crossover trial