短語詞組短語new high -yield crop varieties 高産作物的新品種evolving new high -yield crop varieties 研究高産作物的新品種high crop yield 作物高産a high crop yield 豐收high and stable crop yield 辳業(yè)穩(wěn)産高産crop high yield 辳作物高産;作物高産 返回 high yield crop