经济困难

Hereinto, the study of Multi-Agent simulation of economies based on the complex adaptive system theory is an important research branch of the complexity of economy.

首先，由于现实经济中涉及的因素众多，相互关系复杂，给数学方法的运用带来了一定困难；其次，传统方法没有很好地解决经济系统的层次性结构问题，因此，无法对不同层次的特性差异给予一个整体性的解释，也就产生了宏观、微观相互脱节的理论体系上的缺陷；再次，传统经济理论对现实经济普遍存在的信息不完备与不确定性尚不能给予系统的解释；最后，传统经济中以观测数据为基础的经验主义的研究方法，无法深入了解经济的微观运行过程，从而降低了理论对现实的解释与预测能力。

On the basis of legal relationship analyzing, the paper would find out the recent developments and defects of our country's affordable housing system. The recent developments include: defining the guarantee nature of the affordable housing, endowing the low-income group the right of being protected by the affordable housing system, making sue the land for affordable housing construction should take the priority, letting the government have the right to sale the affordable housing, defining and regulating the ownership of affordable housing and supervising the government power. The defects of the system include: lacking legislative system and specialized authorities, the monotonous operation way, imperfect supervising system and unconsummated related systems.

在此基础上，分析我国现行经济适用房制度的近期发展及不足之处：其中制度的近期发展主要有经济适用房保障性的归位、明确赋予低收入困难家庭保障对象资格、确保经济适用房建设用地的优先划拨权、收回政府对经济适用房的销售权、明确经济适用房的产权制度及退出机制以及增加对政府行为的监督规定等；而不足之处还有立法层次底、缺乏主管部门、运行模式单一、监督机制不完善以及相关配套制度不完善等。

During lean times, people in relatively wealthy countries drink and smoke less and stop overeating.

在经济困难时期，生活在相对富裕国家的人们抽烟和饮酒都减少了，并且停止了过度饮食。

Results: The prevalence rates within two weeks among the elderly were 29.7% and 64.7%, and the rates of seeing a doctor within two weeks were 9.5% and 34.7% in urban community and rural areas respectively. The prevalence rates of chronic diseases were 62.1% and 56.4% in city and rural area respectively. Sixty-six point nine percent of the elderly in urban community went to high-level hospitals for medical services, while 73.3% of old people in rural area went to village clinics. The main reasons for diseased people not to visit a doctor were self feeling of slight illness (21.7%) and self-treatment (51.6%) in urban community and were low income (40.8%) and self feeling of slight illness (25.9%) in rural areas. The main affecting factors to rates of seeing a doctor within two weeks were increased age and family income per capita among the elderly in urban community, and were suffering or not suffering from chronic diseases in rural area.

结果：城市和农村社区老年人的两周患病率分别为29.7%和64.7%，两周就诊率为9.5%和34.7%，慢性病患病率分别为62.1%和56.4%；城市老年人就诊地点主要以县市级和省级医院为主，两者所占比例为66.9%；农村则以个体诊所或村卫生室为主，占73.3%；两周患者未就诊原因在城市主要是自感病轻（占21.7%）和自我医疗（占51.6%），在农村主要为经济困难（占40.8%）和自感病轻（占25.9%）；影响老年人两周就诊的因素在城市为年龄和家庭人均月收入，在农村是患慢性病与否。

It would have struck a sour note in a time of economic distress. But over his first year in the White House, the office has come to reflect his tastes.

在经济困难时期，这样做可能会招致不满，但奥巴马入主白宫一年以来，椭圆办公室越来越具有他的风格。

Financial difficulties were assigned as the probable cause of his suicide.

据说经济困难可能是导致他自杀的原因。

"There are a lot of people out there who have no idea how much the war is costing us in terms of lives, in terms of damage to the Iraqi people and their culture, and in terms of direct cost to the American people in both appropriations and economic stress," he said.

他说：&还有许多人不知道，这场战争牺牲了多少条生命，给伊拉克人民和他们的文化造成了多大的损失，这场战争也直接消耗了美国人民的金钱，这包括战争拨款和经济困难。&

On songs that act as many self-contained vignettes, she captures life's little miseries and epiphanies with economy and understated humor.

在很多作为自我介绍的歌曲中，她捕捉了生命中点滴的痛苦和从经济困难中的顿悟和一些幽默。

The Society for the Prevention of Cruelty to Animals in Virginia Beach, Va., recently began a program called Help Out Pets Everywhere to provide food, medical care and temporary homes for pets belonging to families with financial difficulties.

位于弗吉尼亚州沙滩的动物虐杀预防协会近日启动了一项名为&各地帮助宠物&的项目，给那些经济困难家庭的宠物提供食物、医疗和临时住所。

Often let her two sons after school hours work-study program, on one occasion, when the youngest son Victor Li Ka-shing told Kai in the golf course for other people picking and to make their money funded students with financial difficulties, the son of Gran Canaria Chan A lot of reward.

李嘉诚经常让两个儿子利用课余时间勤工俭学，有一次，当李嘉诚听说小儿子李泽锴在高尔夫球场替别人捡球，并把赚来的钱资助经济困难的同学后，对儿子大加赞赏了一番。

Life. But the intrinsic way of the Internet by wire confines accessing and using of the network information.

然而，Internet固有的有线连接方式大大限制了人们对网络信息的访问和使用。

I have a strong persuasion that this is true .

我坚信这是正确的。