The paper discusses the problem of choice of optimal portfolios in multi period risk investment by safety first criterion.
本文讨论了用安全第一的一个标准选择最佳多期风险资产组合的问题。
Using the expression way of general event probability to fuzzy event probability, common method of probability can find fuzzy event period risk for fuzzy network planning.
对模糊型网络计划，计算模糊工期风险概率是利用模糊事件概率的普通事件概率表示方法，用常规的概率方法求解。
During the same period, families have been asked to absorb much more risk in their retirement income.
在同一时期，家庭的退休收入承担了更多风险。
In either case, there is a risk of an outage if a password happens to be used during the brief period of inconsistency.
在每种情况中，当密码处在前后不一致的短暂时期的时候，都存在一定的故障风险。
And, whatever happens to nature, it is our own highly complex interconnected society, built on a lucky period of stable climate during a tiny sliver of planetary time, that looks most at risk.
然而，无论自然会发生什么事，看起来最危险的还是我们在一段短暂的行星时间内、在气候稳定的幸运时段建立起来的高度复杂、相互连接的社会。
The risk of falling victim to this syndrome was particularly acute in the recent period of unusual economic stability known as the “great moderation”.
在近期被称为“大缓和”的不同寻常的经济稳定阶段，沦为这种综合症受害者的风险显得尤为突出。
In the largest study of its kind, researchers find that the risk of severe breathing problems rises significantly in babies born prematurely, even those born in the so-called late preterm period.
在大量的相关研究中，研究人员发现，早产儿呼吸系统出问题的风险明显要高于(足产儿)。即使在所谓的晚期早产儿中，亦是如此。
The risk of developing diabetes over the study period was about 10 percent for men and 8 percent for women.
在这一研究期间，男人罹患糖尿病的比率大约是10%，女人是8%。
Men sleeping 8, 9 and 10 hours a night had 12 percent, 17 percent and 34 percent greater risk of dying within the study period.
在此研究期间，每晚睡8、9和10个小时的男性与睡7小时男性相比，死亡率则上升了12%、17%和34%。
After a period of record new loan creation, issuance is easing as the front-loading of new lending runs its course and Banks become more mindful of credit risk.
在创纪录的信用创造之后，随着前期新增贷款进入运行轨道和银行更加注重信用风险，放贷将渐趋缓和。
Given the extended period of risk, families of patients may also have a role in this monitoring.
为了进一步控制风险的发生，患者的家人应该帮助监测。
Even missing as little as 25 percent of the prescribed dosage over a period of two weeks raised the risk of symptom return.
甚至减少一点(如25%)处方用量超过两周时间，也会增加症状复发的风险。
Over a three-month period, there was no statistically significant difference in injury risk between the pre-run stretching and non-stretching groups.
在三个月中，两个群体之间在伤害风险统计上没有太大的区别。
Gallstones: a US study of 46, 000 men who drank two to three cups of coffee a day over a ten-year period revealed they had a 40 percent lower risk of developing gallstones.
胆结石：美国一项研究，研究了46000名每天喝2- 3杯咖啡超过10年的男性，他们发现这些人出现胆结石的危险要低40%。
That was partly because a long period of low inflation and economic stability reduced investors’ perception of risk.
其部分原因在于长期的低通胀与经济稳定弱化了投资者的风险意识。
Denmark insisted that its pork produces posed no risk whatsoever, since the time it took to ship them to USA exceeded the two-week incubation period for foot and mouth.
丹麦坚持它的猪肉产品安全无危险，因为这些猪肉被运到美国时间超过了口蹄疫的两个星期的潜伏期。
The biggest risk to Nokia and Microsoft is the transition period.
对于微软和诺基亚来说，其最大的风险在于过渡期。
There is a risk that the American economy will face a sharp financial shock and a recession, or an extended period of sluggish growth. This will slow growth in the rest of the world economy.
因此从某个意义上来说，美国的资金成本将会急剧上升，这就导致了美国经济将会面临剧烈的金融冲击和衰退的危险，或者带来长期的缓慢增长，而这将会拖慢世界其他地方的增长。
But it also spreads out the risk of pollution over a very long period.
但是这样一来也大大延长了可能造成污染的时间。
There is a risk that the American economy will face a sharp financial shock and a recession, or an extended period of sluggish growth.
美国经济可能面临着大幅财政冲击与衰退或者更长时期内低速增长的风险。
That may sound like a good thing because it reduces methane emissions and leachate. But it also spreads out the risk of pollution over a very long period.
垃圾不降解这可以降低沼气的产生听起来这似乎是个好事情，但却大幅延长了污染风险存在的时间。
And uncertainty makes investors nervous, not least because it comes after a long period when markets seem to have underpriced risk.
这种不确定性会使得投资者紧张，这并不是因为市场经历长期的价格被低估的可能。
According to cancer Research UK, a girl who has her first period a year later than her contemporaries has 5% less risk of developing breast cancer in later life.
根据英国癌症研究中心，女孩首次例假比同伴晚一年，今后的生活得乳腺癌的几率就会少5%。
Anyone who sits down for a long period of time may be at risk, the researchers say.
研究人员说，所有坐很长时间的人都处于危险之中。
Anyone who sits down for a long period of time may be at risk, the researchers say.
研究人员说，所有坐很长时间的人都处于危险之中。
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