It is hard to define precisely what constitutes quality of life.

The term'quality of life'covers a very wide scope.

生活质量这一术语涉及很广泛.

The drop of the " Engel's coefficient'signified a new improvement in people's quality of life.

" 恩格尔 系数 " 的下降,标志着人们的生活质量有了新的提高.

And then, we make quantum mechanical generalization of some typical thermodynamic processes isothermal processprocess.

通过对一些基本的热力学过程的量子力学推广, 我们可以直接从量子力学去理解热力学.

It covers both the classical and quantum mechanical aspects of magnetism and novel experimental techniques.

它盖住古典和量磁性的机械方面和小说实验技术.

Light slows down in matter because of quantum mechanical interactions with the atoms.

光在介质中传播时会因为与原子的量子交互作用而减慢.

Can Quantum-Mechanical Description of Physical Reality Be Considered Complete?

物理现实的量子力学描述能否认为是完备的?

Not disturbing it is the quantum-mechanical equivalent of not really looking.

“不打扰”就是量子力学中和“不去看”等价.

The researchers conducted a population-based cross-sectional mail survey of gynecological cancer survivors in 2004.

研究者们在2004年以邮寄信件的方式针对妇科癌症患者开展了一项基于人群的横断面调查.

Background. Acute pyelonephritis is a potentially severe disease for which there are few population-based studies.

急性肾盂肾炎是较少几项以人口基础研究的潜在严重性疾病之一.

To investigate quantitatively the relationship between myopia and primary open-angle glaucoma ( POAG ) in a population-based eye disease survey.

目的:在人群为基础的眼病调查中评价原发性开 角型 青光眼 ( POAG ) 与近视的关系.

Confirmation and estimation of risk in population-based studies has been inconsistent and more problematic.

基于人群的研究,对于风险的认证和预测还存在矛盾和很多的疑问.

National population-based estimate of visual impairment after spine surgery confirms that ophthalmic complications surgery are rare.

对脊柱手术后视力损害的全国性评估确认了术后眼部并发症是少见的.

The size of an audience estimated to exist in the population, based on sample information.

根据样本的信息,推断在总体人口中所存在的某种受众总量.

Population-based data on the relationship between PFO and migraine are sparse , however.

但是尚罕见以人群为基础的资料研究PFO和偏头痛的关系.

Only unpopulated areas like Antarctica or Chile's Atacama desert will remain off the hook.

只有像南极洲和智利的阿塔卡玛沙漠这类的无人区不会有信号.

We found that unpopulated reside of place.

我们发现那个地方无人居住.

Public-private partnerships would entail greater commercial risk for Chinese companies but could reduce political risk.

公私 合伙制将给中国企业带来更大的商业风险,但会降低政治风险.

But public-private partnerships are going to be increasingly important in almost any field.

但 公私 伙伴关系,几乎能在任何领域上将会越来越重要.

Almost every encryption package is based on an approach known as public-private key.

几乎每个加密包都是基于一种叫做公共密钥的方法.

Global Handwashing Day is the idea of the Public-Private Partnership for Handwashing with Soap.

全球洗手日是一些倡导用香皂洗手的民众私人合作伙伴的主意.