The calculation of economic mathematical models can be employed to provide quantitative analysis for complete circulation of uncirculated stock .

运用经济数学模型测算，可以为 非 流通 股 实现全流通提供定量分析的 依据。

In fourth segment three kinds of comparisions on stock repurchase motivations have been made namely domestic and abroad uncirculated and circulated announced and hidden by management .

第四部分为 本文 的 主体， 该部分对国内外回购 动因、 非 流通股回购动因与流通 股回购动因、管理层宣告的回购动因与隐藏的回购动因进行了系统的比较分析。