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1·The aspectual contrast between perfective and imperfective is found in many Slavic languages.

完成体和未完成体之间的对立见于许多斯拉夫语。

2·But the analysis in gestalt principles shows that imperfective progressive is its marked form, and it implies certain special meaning.

但从格式塔突显原则分析，非完成动词进行体是进行体的标记形式，非常规结构暗示着特殊意义。

3·The research reflects that the reasons of under-pricing are imperfective security market and the poor management and ownership structure of banking industry.

研究认为，抑价产生的原因在于我国证券市场尚不完善，银行的管理及股权结构欠佳等。

4·As a result, it is necessary to replace the traditional statistic model with nonlinear model that can deal with imperfective information in order to improve the quality of forecasting stock market.

股市的运行是一个非常复杂的不完备的非线性过程，因此，需要用对不完备信息进行处理的非线性模型代替传统的统计模型，以便进一步提高股市预测的质量。

未完成体

1·The aspectual contrast between perfective and imperfective is found in many Slavic languages.

完成体和未完成体之间的对立见于许多斯拉夫语。