1)  complete strategy

1.
The basic idea is to structure the heuristic algorithm by the given complete strategy.

2)  improvement tactics

3)  backup strategy

1.
Data backup strategy for petroleum enterprises

2.
In order to set up reliable network backup systems, we should think about the necessity analysis, backup, backup strategy, rules and regulations and so on.

3.
Based on the research of DB2 backup methods,This paper propothe backup strategy for grid dispatch management information system which can satisfy various application demand

4)  preparing strategy

1.
According to the objective of Chinese male tennis in the new Olympic stage and combining with their strength status,the paper analyzes the current situation and puts forward preparing strategy and seven concrete countermeasures.

5)  alternate strategy

6)  Preparation Strategy

 哥德尔不完备性定理Gdel's incompleteness theorem   数学家K.哥德尔于1931年证明的两个定理。第一不完备性定理：任意一个包含算术系统在内的形式系统中，都存在一个命题，它在这个系统中既不能被证明也不能被否定。第二不完备性定理：任意一个包含算术系统的形式系统自身不能证明它本身的无矛盾性。   哥德尔的不完备性定理使希尔伯特证明数论系统无矛盾性的方案归于失败。但哥德尔的证明中所用到的方法却开创了递归论的研究。哥德尔不完备性定理中所指出的不可判定的命题是理论的而不是自然的命题。1977年，J.帕里斯给出了一个自然的命题，这个命题在数论中是不可判定的。这又引起人们寻找这类问题的兴趣。