查询词典 cryptography

After considering actual needs for digital rights manager and security rask,a new watermark and cryptography based model for digital rights management is proposed,which includes seven objects,three of them are authenticity.

综合考虑数字版权保护的实际需求和安全隐患，结合水印技术和密码技术提出了一种新的数字版权保护模式。

Beijing Electronic Science and Technology Institute, Beijing 100036,ChinaAbstract After considering actual needs for digital rights manager and security rask, a new watermark and cryptography based model for digital rights management is proposed, which includes seven objects, three of them are authenticity.

综合考虑数字版权保护的实际需求和安全隐患，结合水印技术和密码技术提出了一种新的数字版权保护模式，模式中共有7个实体，其中有3个权威机构。

Based on Heisenberg's uncertainty principle, quantum cryptography allows two parties who share no secret information beforehand to communicate in absolute security.

根据诲森堡测不准原理，使用量子密码可以使通信双方不需要事先准备相同的密码本即可绝对保密地通信。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。