很多生物体中雄配子与雌配子是不同的.In many organisms the male and female gametes are different.雄配子不能与雌配子结合.The male gamete could not unite with the female.花粉是种子植物的雄配子体, 在有性繁殖中发挥著重要作用.Pollen is the male - gamete of seed plant, which plays...
Utilization efficiency of nitrogen fertilizer and Kalium were enhanced.促进番茄对氮和钾的吸收.To determine the content of sodium, kalium, magnesium and calcium in liquor of cardioplegia by HPLC - IPD method.本文用高效液相色谱间接光度检测法测定了心脏停搏液...
Mix the minced dace, cornstarch, egg and seasonings with the Tofu.再把鲮鱼肉 、 粟粉 、 蛋和调味料加入豆腐中拌匀.After laboratory technician glass draw off , the dace fish also no longer attempts eats the dace.当实验者将玻璃抽去后鲮鱼也不再尝试去吃鲦鱼.Add marin...
A feather bed enervates the body of a child.小孩睡羽绒床身体会变弱.Idleness enervates the will to succeed.懒惰削弱了成功的决心.Penitence is something that enervates our spirit, causing a greater loss than a good words!后悔是一种耗费精神的情绪.后悔是比损失更大的损...