This paper introduces and parses the winning design “ tree city ” in the design competition of downsview park , then illustrates the ideas contained in it and the enlightenments brought by it 本文通过对当斯维尔公园设计竞赛获奖方案“树城”的介绍和解析，阐述了它所蕴藏的思想内涵及其带来的启迪。
With the general formality of the lagrange of the quantum cosmology , we gain the wheeler - de witt equation under the constraint conditions , we also give the concrete expressions of the wheeler - de witt equation according to different 依据一般情况下量子宇宙拉氏量的表示，给出了在约束条件下wheeler - dewitt方程的一般形式，并对当的不同形式给出了其对应的wheeler - dewitt方程的具体表达式。
Then using daily trade data for market mid - term liquidity , we discover that liquidity of a share market have apparently " weekly effect " , and former influence of trading variable for current liquidity is more strong than current trading variable 然后利用日交易数据对市场中期流动性指标进行了度量与分析，发现沪深a股市场具有周二流动性显著下降的“周内效应” :前一期交易变量对当期流动性的影响比当期交易变量更强。
As far as the third factor is concerned , the history of science shows many instances in which the force of authority has operated in such a manner as to build up an exceedingly powerful resistance to further investigation ; in some cases centuries elapsed before this resistance was eventually broken down , as happened in cosmology , for example 就第三个因素而言是有关的，科学的历史表明许多专家的力量，对当建立一项更进一步的调查的时候，能产生非常强烈的抵抗力这样影响的实例，在这种抵抗甚至是消失之前，一些早期案件早已流失了，例如宇宙论的发生。
