The influence of some preparative variables on the size and surface property was investigated.

并对某些能影响颗粒大小和表面性质的变量进行了研究。

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The relationship between important variables and characteristic parameters of flotation has been investigated by a series of batch flotation tests.

通过大量的浮选试验，考察了主要变量和连续浮选特征参数之间的关系。

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Through empirical analysis of the selected economic variables, the important role of psychological impact of the RMB exchange rate are investigated and tested among the numerous economic factors.

通过对所选择的经济变量进行实证浅析浅析，研究和检验了心理预期在影响人民币汇率众多经济因素中的重要作用。

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For example, the very choice of model variables and model processes that are investigated are often based upon subjective judgment and experience of the modeling community.

FORBES: Climate Forecasting Models Aren't Pretty, And They Aren't Smart

They investigated two independent variables: (1) the presence or absence of an unsuccessful social confrontation with the transgressor regarding the fraud and (2) the type of fraudulent act that occurred.

FORBES: Don't Ask/Don't Tell About Corporate Fraud: The Effect of Confrontation On Intentions to Report Fraud by Kelly Richmond Pope, Ph.D., CPA, Peter Milan and Anya Hostetler