principle of substitution

  • 释义

    代入原理

数据更新时间:2026-08-22 14:01:01
1、

This paper, aimed at information security, studies the general principle of digital watermark and analyses the structure of the image data file. The compression method of binary image and digital watermark algorithm based on information substitution is presented.

针对信息安全问题,研究数字水印的一般原理,对图像数据文件的结构进行了分析,给出了二值图像的压缩方法和基于信息替代的数字水印算法。

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2、

the author described the restrictions in china and other countries on alkyl halide extinguishing agent and extinguishers, the substitution technology, and his understanding of the restriction regulation on alkyl halide product in the current fire_fighting code and pointed out the principle of substitution of alkyl halide product.

阐述了当前我国和国际上有关卤代烷灭火剂及灭火设备的限用和替代技术,以及对现行消防规范对卤代烷产品限用规定的理解,指出了卤代烷产品的替代原则。

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3、

As an operation for trial, exploration and technology used by the ancients, with the principle of mystery and fantasticism, alchemy surprisingly at last became the substitution of deceiving.

它作为古人的一种试验、探索、技术操作,循着神秘而荒诞的思路,却成了行骗的代名词。

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4、

The effect of a small amount of Me2+ substitution and trace impurities doped on stabilize ferroelectric phase was explained qualitatively by thermodynamic entropy stabilization principle.

并以热力学熵稳定原理,定性地解释了少量置换与微量添杂对稳定铁电相的作用。

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