based on multiple arrangement of bent tubing, this system maximizes the use of heat energy from exhaust gases 熱交換系統(tǒng)以多重多管排列的曲管為基礎,實現(xiàn)了排氣熱能的徹底利用。
they are the second bases of the diversity of the form of the public-owned system of our country . afterwards, the author brings in the-basic viewpoints on the form of the socialist public-owned system . as far as the objective bases are concerned, the level of the productivity of current stage of our country is the first one, whose low level, multiple arrangements and imbalance make a decision that the level of the " socialization " of the public-owned system should not be too high and the form of the public-owned system has various forms instead of a kind of form 我國分權(quán)型公有制形式,包括“雙層經(jīng)營體制”型的農(nóng)村集體經(jīng)濟和“放權(quán)讓利”型、“制度創(chuàng)新”型國有企業(yè),從總體上看,它們分別是在保持原有的集體所有制、國家所有制不變的前提下,通過調(diào)整集體與農(nóng)戶、國家與企業(yè)之間的權(quán)利關(guān)系而形成的,它們雖然對農(nóng)村集體經(jīng)濟和國有經(jīng)濟的發(fā)展起到一定的推動作用,但是其局限性也是相當明顯的,因此,必須進行進一步的改革。