词汇	two-sample problem
释义	two-sample problem 二样本问题
随便看	underground launcher underground launching underground launching silo underground-launch silo underground law underground layer underground layer around well underground laying underground layout underground leaching Underground leaching mining technology underground lead-in underground leading-in underground leak underground leakage underground leakage rate underground leveling underground levelling underground lever drainage Underground LHD Underground LHD machine Underground Lifeline underground lighting underground limestone water underground line