单词	桅桁臂
释义	桅桁臂yard arm
随便看	item packaging item parameter item pool item pricing item record item respone theory (irt) item response function item-response function item response function(irf) item response theory item-response theory item response theory (irt) item response theory (irt) item response theory(irt) items item sampling item score item score variance item selection item separation symbol items important to safety items received in advance item-total correlation item under consideration item validity