为了与流场的各向异性相适应、减少网格点数量，提出了一种各向异性网格加密法。
In order to reduce the number of mesh points and to be compatible with the anisotropic nature of viscous flows, an anisotropic Cartesian grid method is proposed.
公开钥匙加密法解决了管理几个钥匙的问题，但是与常规加密相比，公开钥匙加密慢些。
Key management in conventional encryption, however, is a problem because several files may be encrypted with different keys.
公开钥匙加密法解决了管理几个钥匙的问题，但是与常规加密相比，公开钥匙加密慢些。
Public-key encryption solves the problem of managing several keys, but encryption is slow compared to conventional encryption.
同时，还详细论述了加密系统中ISA卡的硬件原理、四码代数加密法的原理、加密软件的设计以及系统的安全特性。
The ISA card is made of X76F100 and the hardware principle, the principle of encryption method, the design of the cipher software and the safety characteristics of the system are also described.
光子是光线和其它种类电磁辐射的构成粒子，同大部分的远距离数据传输方法一样，量子加密法中信息是通过光子传输的。
In quantum cryptography, as in most long-distance data transmission, the information is carried by photons, the particles which compose light and other sorts of electromagnetic radiation.
光子是光线和其它种类电磁辐射的构成粒子，同大部分的远距离数据传输方法一样，量子加密法中信息是通过光子传输的。
In quantum cryptography, as in most long-distance data transmission, the information is carried by photons, the particles which compose light and other sorts of electromagnetic radiation.
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