这类似于那些用来为公开密匙系统产生大质数的概率测试。
It's sort of like those probabilistic tests used to produce large prime Numbers for public-key cryptography.
特别是大质数和一般大整数有一个极为重要的应用，就是关于计算机数据加密。
Especially, the big prime and common big integers play an important part in the computer data encryption.
阅读一系列的质数就像是盯着一大堆的天文数字。
Reading through a list of primes is like staring at hieroglyphs.
四大公司占据着行业的统治地位，它们控制着地质数据、挖井数目、建筑器械，操纵着基础设施，改进着大型项目需要的技术。
Four big firms dominate the business of managing geological data, digging Wells, building RIGS, handling infrastructure and developing the technology needed for large projects.
他们怎么证明比2大的所有奇数都是质数？
How they prove that all odd integers higher than2 are prime?
如何建立高效的数据组织以及存储模式是三维城市地质数据库必需要解决的两大基础性问题。
How to organize spatial data effectively and design an excellent storage pattern are two fundamental problems in 3d urban geological spatial database.
如何建立高效的数据组织以及存储模式是三维城市地质数据库必需要解决的两大基础性问题。
How to organize spatial data effectively and design an excellent storage pattern are two fundamental problems in 3d urban geological spatial database.
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