The article content is for reference only. 'Photovoltaic (pv) of the world' this is a comprehensive system to introduce the development of photovoltaic (pv) in the past, monitoring can even several mobile phones now and the future summary corpus, wide-ranging, can meet the needs of different readers. Solar building design strategy of solar traffic sign the paper not only includes editor Wolfgang & middot; Dr Parr, herself, in its new energy career of more than 50 years, the deep understanding of the development of photovoltaic (pv) and system summary, also include the global photovoltaic industry professionals engaged in new energy or review to the development of photovoltaic (pv) hard, high temperature regenerative National Energy Administration of water and electricity: 2019 households with index has been finished on October 31 deadline, 2019 & other; Cup & throughout; Photovoltaic power brand nominations from the official opening, in 2019 countries to fill in the photovoltaic (pv) grid capacity has to mark the follow-up policy is stepping up efforts to research photovoltaic network statement: this information is reproduced from the power grid cooperation media or other Internet website, solar photovoltaic network published the article for the purpose of the information, does not mean that agree with his point of view or confirm its description.