受毒害叶片经常出现针状的叶尖从蜷缩部分脱落下来.Abscission of the tightly rolled , needlelike tips of the injured leaves quite often occurred.分析了空气量和锌浓度对形成四针状的氧化锌晶须的影响.The effect of air quantity and zinc concentration on forming T - ZnO _ w whi...
Sumner would greet us with frowns and grimaces, doing his best to express wordless disapproval...萨姆纳会冲我们皱眉，做苦脸，竭力表示他无言的反对。The county hospital could find no physical cause for Sumner's problems...关于萨姆纳的问题，县医院查不出任何生理上...
在一级玻恩近似下,研究了在激光辅助的电子偶素反质子碰撞中的反氢合成.Antihydrogen formation in the laser - assisted positronium - an tiproton collision is investigated in the first Born approximation.在一级玻恩近似下,研究了在激光辅助的电子偶素反质子碰撞中的反氢合成.Antihydrogen formatio...