但是现实中，由于客户关系的复杂性和不确定性，很难准确计算客户生命周期价值。
In reality, it is difficult to make accurate calculations of customer lifetime value due to the complexity of and uncertainty surrounding customer relationships.
今年早些时候，我们的关系面临着不确定性，许多人质疑我们推进的方向。
Earlier this year, our relationship faced uncertainty, and many questioned the direction we were heading.
哥本哈根会谈之所以充满不确定性，跟美国摇摆不定的气候政策脱不了关系。
One reason for uncertainty about Copenhagen is that America's own climate policy hangs by a thread.
所以理论上学习效应和规模效应不同，尽管实际操作中由于不确定性和模糊的因果关系可能很难区分它们。
Thus learning effects are theoretically distinct from scale effects, even if in practice they my be hard to differentiate due to e.g. uncertainty and causal ambiguity.
研究人员的结论是，偏差和错误限制了这些结论的确定性，无法做因果关系解释。
Researchers concluded that biases and errors limit the strength of these conclusions and prevent a causal interpretation.
反复思考这些方程式，探索合适的模式，试图寻找隐含的关系，把实验结果联系起来——由不确定性和可能性参加的无尽的浑沌舞蹈。
Ruminating over these equations, seeking patterns, looking for hidden relationships, trying to make contact with measured data—it's all uncertainty and possibility engaged in an endless chaotic dance.
研究人员的结论是，偏差和错误限制了这些结论的确定性，因此无法作出因果关系解释。
The researchers concluded that biases and errors limit the strength of these conclusions and prevent a causal interpretation.
这是指雇员感受到的不确定性带来的威胁程度，以及他们对规则、长期雇佣关系和明确稳定的升职的重视程度。
This is the extent to which employees feel threatened by ambiguity, and the relative importance that they attach to rules, long-term employment and steady progression up a well-defined career ladder.
波究瓦德说，“当你将一个系统放入量子理论，比如量子引力理论中时这些不确定性就成为了附加参数。”这与量子物理学中的不确定关系相似。
"These uncertainties are additional parameters that apply when you put a system into a quantum context such as a theory of quantum gravity," Bojowald said.
生活如此复杂，每天都需要面对事物的不确定性、复杂的人际关系、不可思议的选择和紧迫的最后期限。
Our lives are complicated. We're faced every day with uncertainty, complicated relationships, unthinkable choices and urgent deadlines.
由于空间问题固有的复杂性和不确定性，空间关系的描述普遍采用定性的方法。
Because of the complexity and uncertainty inherent in spatial problems, the description of the spatial relationship often adopts qualitative methods.
由于时间在量子力学中的特殊性，能量-时间不确定性关系的指称和意义在不同的解释语境中各不相同。
Because of the confused role time plays in quantum mechanics, the references and meanings of energy-time uncertainty relation are different in different explanatory contexts.
由于信息不对称，银行与企业的关系存在很大的不确定性。
Because of information asymmetry, there remains uncertainty between Banks and firms.
在抚养孩子和赡养老人双重义务的影响下，劳动年龄人口比例和居民储蓄之间的正向关系也存在着较大的不确定性。
Influenced by duties of supporting both children and the elderly, the positive relationship between the proportion of labor-age population and household savings remains uncertain to a large degree.
然而，没有了一份如此全面的契约，工作的不确定性可能大得足以阻止潜在盈利伙伴关系的形成。
Yet the uncertainty of working without such a complete contract could be big enough to prevent potentially profitable partnerships from forming.
日本民众也知道在自己国家与美国关系充满不确定性之际，象征性地访问珍珠港的重要意义。
The Japanese public is also aware of the importance of a symbolic visit to Pearl Harbor at a time of uncertainty in its country's relationship with the United States.
这与王微对好玩与不确定性的追求有很大关系。
This and Wang Wei are right have very big concern with the pursuit of uncertainty amusedly.
分析了人才资本价值的高不确定性、强增值性、强专用性、强外部性，描述了组织价值与人才资本价值的关系。
Analyzed here are high uncertainty, increment, specification and brain drain, as well as the relationship between value of organization and that of talent capital.
根据该模块的几何特点，分析了模块的对接过程和相邻两模块对接的几何约束关系，给出了当存在几何及控制不确定性时，完成对接最基本的几何约束条件。
The docking process of the module was analyzed. When the uncertainty about control and geometry occurs, the basic geometric condition is analyzed to finish the docking action.
通过对地面卫星信号覆盖区内的多普勒频率偏移及不确定性范围的计算，给出了卫星导航系统信号的多普勒频率偏移与接收机位置之间的关系。
By calculating the Doppler shift and its uncertainty in the signal covering area, the relation between Doppler shift and the position of the receiver is obtained.
第四部分对教育与个人就业关系不确定性的规避进行了分析，并提出若干对策建议。
In part four, it analyzes the control of the uncertain relation between the education and personal employment and gives some suggest.
传统的测试性验证试验样本选取方法没有考虑测试对象的各故障模式之间的复杂性与不确定性关系。
The complex and uncertain relationship among failures is ignored in failure sample selection based on traditional testability demonstration experiment method.
该方法用模糊概念描述异常，用数值运算代替模式匹配，并利用概率测度有效表示各因素间关系的不确定性。
It described anomaly as fuzzy conception, executed numerical operations instead of pattern matching, and expresses the uncertainty of relations of the factors by applying probability measure.
在分析中，考虑了衰减关系的不确定性。
In the analysis, the uncertainty of attenuation relation is considered.
在大部分的实际工程优化问题中，产品质量特性与不确定性因素的关系是未知的或复杂的。
For most practical engineering optimal problems, the relationships between quality characteristics and uncertain factors are unknown or complicated.
环境的不确定性和经销商从渠道关系中所得收益对渠道关系中分配水平和程序水平的控制有明显影响。
Environmental uncertainty and the dealers' benefits obtaining from the channel relationship have significant influences on the control of the distribution level and the business process level.
市场、企业和国家是一种三角替代关系，都是为了降低不确定性而由人类创造的制度安排。
The markets, enterprises and the country are in the substitutional relation, and they are the systems which created by human beings in order to reduce the uncertainty.
并研究了与普通集合和模糊集合的不确定性相对应的粗糙信息熵，以及这两种集合的不确定性与其对应的粗糙信息熵之间的单调关系。
The rough entropy of the uncertainty of ordinary set and fuzzy set, and the monotonous relation between the uncertainty of these two kinds of set and their corresponding rough entropy, are discussed.
并研究了与普通集合和模糊集合的不确定性相对应的粗糙信息熵，以及这两种集合的不确定性与其对应的粗糙信息熵之间的单调关系。
The rough entropy of the uncertainty of ordinary set and fuzzy set, and the monotonous relation between the uncertainty of these two kinds of set and their corresponding rough entropy, are discussed.
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