A circle,as an ideal pure form,with its centripetalism and self-sufficiency,possesses a high degree of aesthetic value and expressive force. 圆作为理想的纯粹形态,其向心与自足特性,具有很高的审美价值和表现力,深得建筑师、规划师的青睐,以致成为规划设计中一种普适性的模式。
Historical cost, current market value, current cost, netrealizable value and present value of future cash flow are concretive expressive forms of fair value. 历史成本、现行市价、现行成本、可变现净值和未来现金流量的现值等,都是公允价值的具体表现形式。