短語詞組短語Sister sub -class 姊妹子集Sub -Class of Project 重點(diǎn)項(xiàng)目;面上項(xiàng)目;青年科學(xué)基金項(xiàng)目;優(yōu)秀青年科學(xué)基金項(xiàng)目Interest sub -class 興趣子類sub -class metallogenic series 成礦亞系列Disproportionate sub -class numbers 不成比例次級(jí)組含量proportional sub -class numbers 成比例的次級(jí)數(shù) 返回 sub-class