求翻译：1986年美国著名市场营销学家菲利浦·科特勒教授提出了大市场营销策略，在原4P组合的基础上增加两个P，即权力（Power）和公共关系（PublicRelations），简称6PS。是什么意思？

1986 American Marketing scientist Professor Philip Kotler big marketing strategy, based on the combination of the original 4P two additional P, that is, the power (Power) and Public Relations (PublicRelations), referred to as 6PS.

In 1986 the United States famous marketing historian Philip kottler professor asked for the marketing strategy, as the original 4P portfolio increased on the basis that two P Power powers (Public Relations) and 6 (PublicRelations PS), short.

In 1986 American renowned market marketing scientist Professor Philip · branch Teller proposed the big market marketing strategy, increases two P in the original 4P combination foundation, namely authority (Power) and public relation (PublicRelations), is called 6PS.

1986 United States well-known marketing experts Philip · Professor Kotler has made marketing strategies, in the original 4P combination on the basis of the addition of two p, that is, power (Power) and PR (PublicRelations), abbreviated as 6PS.

1986 United States well-known marketing experts Philip · Professor Kotler has made marketing strategies, in the original 4P combination on the basis of the addition of two p, that is, power (Power) and PR (PublicRelations), abbreviated as 6PS.