Technique of mutation breeding in gladiola was studied by meansof electron beam.

电子束辐射球，研究诱变育。

Abstract： Technique of mutation breeding in gladiola was studied by means of electron beam.

摘 要： 电子束辐射球，研究诱变育。

Conclusion: The resuscitative effect of naphtha is resulted from the comprehensive action of multiple components.

结论石挥发油开窍醒神可能是多个成分综合结果。

A simplified model based on drag concepts is developed to evaluate the roughness coefficient for unsubmerged vegetation.

并基于阻力概念，建立了一个简化模型来估计曼宁糙率系数。