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1·The system can complete the mathematical model calculation on material composition and inquire test process, material and results according to material designation.

该系统可完成材料化学成分数学模型计算；按照材料牌号对试验的工艺、材料、结果进行查询；

2·Conclusion: so choosing this method to be the stability designation analysis method and relevant material check method are more reasonable.

结论：选择C18柱测定法为稳定性指示分析方法和有关物质和降解产物检查方法较为合理。

3·It is permissible to change the specific make of filler material to another with the same compulsory part of the designation when an additional test piece is welded.

当焊接附加试件时，允许将专用类型的焊料改为另一种具有相同规定部分的焊料。

4·It is a foundation with the first teaching material namely, other the local designation with a few different books comes out, this phase should make note mainly.

即以第一本教材为基础，把其他几本书不同的地方标示出来，这阶段要重点做笔记。