n.对照；正相反；对比法
名词antithesis的复数形式.
Method: The test was performed by grouping antitheses. 方法：采用分组对照的方式进行试验。
Results: treatment group general efficiency is 85% better than antitheses group 55% (P>0.01). 结果：治疗组总有效率为85%25，优于对照组的55%25(P
