双尾检验two-tailed test
双重文化two cultures
开郁二陈汤Depression-Opening Two Matured Ingredients Decoction
双向无线电通讯two-way radio communication【通信】
双侧检验two-sided test【统计】;two-tailed test【分化】
双维归因twodimension
双路传输two-way transmission【通信】
二历程学习论twoprocess learning theory