probit model短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 概率单位模型 Efforts are further made to investigate the locational behavior of foreign enterprises by incorporating firm-specific, industry-specific and location-specific factors in an ordered probit modelOPM. 统计结果显示，企业、产业和集聚因素共同决定了制造业外资企业的区位选择。 cnki