采用数值模拟对孤岛油田合理井网密度、井网加密时机、井网类型以及经济评价等方面进行了研究。
This paper studies the reasonable well pattern density, well pattern infill time, well pattern types and economic evaluation etc. using numerical simulation.
对数值型数据保持顺序加密方法进行了分析，在此基础上提出了一种在关系数据库中针对字符数据的保序加密方法。
In this paper the order preserving encryption for numeric data is analyzed. An order preserving encryption method for character data in relational databases is proposed.
讨论了一种以实数值混沌序列为基础，利用加密模板矩阵和排序变换，给出一种灰度图像的加密算法。
In this paper, a gray image encryption arithmetic based on chaotic sequences is proposed by taking advantage of the encryption template matrix and sort transformation.
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