求翻译：国内学者从1998年左右已经开始进行实物期权的研究工作，起初主要是通过对发达国家公司估价思想和方法的研究，进行有关实物期权概念的导入工作。是什么意思？

Domestic scholars from around 1998 to begin the study of real options, initially mainly through the ideas and methods of valuation firms in developed countries, the import of the concept of real options.

scholars from around 1998 has already started in the research work-in-kind grant, initially mainly developed countries through the company valuation methods of thinking and research, the concept of in-kind option import to work.

The domestic scholar already started from 1998 to carry on the real options the research work, at first mainly was through estimates the thought to Developed country Company and the method research, carried on the related real options concept to induct the work.

Chinese scholars from the 1998 study on real option left and right had begun work, at first mainly by developed countries companies valued ideas and methods of the study, working on real option concepts.

正在翻译，请等待...