chass

chass

1

Then , based on analysis of dependencies between classes , the paper defines testing level and research generation process of testing level , and show the testing level of every chass formally .

然后，根据类间依赖关系分析结果，论文定义测试层次和研究其生成过程，并形式化的表示每个类所处的层次。
2

The preparation method of barium chioride from barium waste in the benzo fast black G dye as raw material is studied . The retrieving ratio of barium chioride is 70 . 99 % of barium waste and the quality of the products reaches the standard of first chass product .

本文研究了以直接耐晒黑G染料生产中的废钡渣为原料制取氯化钡的方法，氯化钡的得率达到废钡渣量的70.99%，产品质量达到一级品的标准。