查询词典 trickle-down theory

Using the theories of probability, algebra, logical function in cryptology and spectral theory comprehensively, the dissertation investigates the properties and constructions of orthomorphic permutations, omni-direction permutations, quick trickle permutations and generalized orthomorphic permutations.

分组密码是现代密码学中一个重要的研究分支，而置换理论在分组密码中占有重要的地位，任何没有信息扩张的密码体制都可以看作是置换的结果，如数据加密标准DES可以看作是明文在密钥控制下的置换，公钥密码体制RSA可以看作是一种多项式置换，因此，研究置换的有关性质和构造具有重要的理论意义和应用价值。

Theory and Practice shows that the trickle charge, the current charge, the charge and floating charge of the combined charge, can achieve the best results.

理论和实践表明，涓流充电、大电流充电、过充电和浮充电组合起来的充电方式，可达到最佳的效果。

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。