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In chapter two, the basic principles of REMPI technique are introduced including the resonance enhanced effect, the selection rule, the mechanism of photoionization and photodissociation, REMPI rate equation and the property of Rydberg state.

第二章介绍了REMPI技术的基本原理，包括多光子共振跃迁的选择定则、电子态的光解离机理、描述REMPI过程的速率方程和分子Rydberg态的性质。

By the principal of detailed balance, the radiative recombination cross section of single-electron systems have been calculated with photoionization.

这是因为光电离及其逆过程的截面能准确的反映了跃迁特性和快慢程度。

If the final wavefunction of photoionization is normalized on the energy scale, Golden rule would be simpler.

Fermi黄金定择是量子理论中最重要的结论之一、是原子微观跃迁过程研究的理论基础。

And the trend of intra-molecular charge transfer and possible photopolymerization mechanisms is explained systematically.

理论计算在GAUSSIAN-98程序包上完成，分子的几何结构在杂化的密度泛函理论B3LYP水平上优化，分子的激发态能量和跃迁偶极矩在含时密度泛函理论水平上计算。

From a hilltop you can see a fish leap in almost any part; for not a pickerel or shiner picks an insect from this smooth surface but it manifestly disturbs the equilibrium of the whole lake.

从山顶下瞰，你可以看到，几乎到处都有跃起的鱼；在这样凝滑的平面上，没有一条梭鱼或银鱼在捕捉一个虫子时，不会破坏全湖的均势的。

Immediately, add ceaselessly as the clay below the foot tall, this burro great rises to wellhead, jump a mtl pithead in the expression with open-eyed everybody next, half step ground ran away!

很快地，随着脚下泥土不断加高，这只驴子便自得地上升到井口，然后在众人惊奇的表情中跃出井口，快步地跑开了！

The main achievements include as follows:(1)With research results of hydraulic jump and impinging jet,flow patterns in stilling basin and plunge pool are analyzed in detail, the distributing characteristics of mean pressure and fluctuating pressure are investigated.

主要成果包括：(1)引用水跃和冲击射流的研究成果，详细分析了底流和挑跌流消力塘内的水流流态特征，探讨了这两种型式消力塘内时均压力和脉动压力的分布规律。

Come, O come to my lake, if you would plunge to your death.

来吧，到我的湖边来吧，如果你要跃向死亡。

When the time comes to push back off the ground again, the energy is released, much as it is from the spring of a pogo stick.

当它再次从地面跃起时，这部分能量被释放出来。这个过程就和娃娃跳上的弹簧释放能量的过程几乎一样。

High resolution ro-vibrational spectroscopy is an important tool to understand the the energy-level structures and energy transfer in the studies of polyatomic molecules.

中文摘要在有关多原子分子的研究中，高分辨振转跃迁光谱是很好的了解分子能级结构和能量转移的重要手段。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。