The standard highways and substandard roads have statistically significant and positive effects on growth and poverty reduction,and the former has much more impact than the latter.
結(jié)果表明:四川道路基礎(chǔ)設(shè)施和經(jīng)濟(jì)增長之間存在著雙向因果關(guān)系;具有不同質(zhì)量的等級公路和等外路對經(jīng)濟(jì)增長和減緩貧困均具有統(tǒng)計(jì)上的顯著影響,而且等級公路比等外路的作用更為顯著。
He twice served as China s envoy to the United States and in his diplomatic practice he developed rich thought on diplomacy including ideas of equal diplomacy,balance diplomacy and cultural diplomacy.
他兩次出任駐美公使,在長期外交實(shí)踐中形成了一系列豐富的外交思想,主要包括平等外交思想、均勢外交思想、文化外交思想等。
