参数:design_info
a data frame with conditions for rows and factors for cols
为行和cols的因素与条件的数据框
参数:ent_type
the type of entity to which this design applies. This links This links the design to the experimental data and entity information.
这种设计适用于实体类型。此链接,这个链接设计的实验数据和实体信息。