By storing and manipulating the exchange data as XML, the programming is simpler, and the modifications needed each time the structure changes are reduced.
用XML存储和交换数据会使编程更简单，而且每次结构更改时所需的修改也会减少。
2
Programming of trial difference calculation could be realized, so time of calculation could be reduced effectively and parameter related could be adjusted conveniently.
通过图表数据函数化可以使试差计算程序化，因而有效减少试差计算时间，还能方便地调节有关参数。
3
The trend is to write compilers in high-level languages, because of the reduced amount of programming time and debugging time.