[名词解释] 损伤(injury)
[名词解释] 造作伤(artificial injury)
[名词解释] 机械性损伤(mechanical injury)
[名词解释] 冷害
[单选题]寒露风引起的水稻冷害,属于()型冷害。A .延迟B .障碍C .混合D .稻瘟病
[问答题] 什么是低温冷害?如何防御低温冷害的发生?
[名词解释] 夏季冷害
[名词解释] 秋季冷害
[名词解释] 春季冷害
[名词解释] 电击(e1ectrica1injury)