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1·At last, a grey system model is used to show the relevancy between lottery industry and macro-economy.

最后，使用灰色系统模型对彩票业与宏观经济的关系作了关联分析。

2·The system and standard of the lottery industry is the key of justice, publicity, equity of the lottery issuance.

彩票业制度与规范是彩票发行“公平、公开、公正”的关键。

3·Domestic academe has also carried on the exploration upon the system and standard of the lottery industry and has achieved some theory fruits.

我国学术界对彩票业制度与规范也进行了探索，有一定的理论成果。

4·Sports lottery is an important component of sports industry.

体育彩票业是体育产业的重要组成部分。