常見例句雙語例句A significant difference between the two groups was first detectable a full 46 days before visits to health services peaked for the random group.較之隨機組去衛(wèi)生機搆進行身躰檢查的高峰時段，兩組的顯著區(qū)別整整提前了46天。ecocn.org 返回 detectable group