函数索引的存储和维护成本较高。
The cost for storage and maintenance of a functional index can be high.
第20行定义了目标函数，它是Rylon公司的利润(收入-成本)。
Line 20 defines the objective function, which is just Rylon's profit (revenue - costs).
其目的是避免每次咨询支持bean的访问函数时 带来运行查询的计算成本。
The goal is to avoid incurring the computative cost of running the query every time the backing bean accessor is consulted.
一个垄断者可以直接选择价格，或者通过选择销售数量来间接调控价格。 因为成本是数量的函数，所以利用数量而不是价格会使得计算简单点。
第20行的目标函数要对食物的总体成本实现最小化，该值是每个决策变量(食物数量)乘以每单位食物成本的结果。
The objective function on line 20 minimizes the total food cost as the total of each decision variable (amount of food) multiplied by that food's cost per unit.
只要有可能，应该避免创建对象，防止调用构造函数带来的相关性能成本，以及在对象结束其生命周期时进行垃圾收集所带来的成本。
Whenever possible, avoid creating objects to prevent associated performance costs of calling the constructor, and subsequent cost of GC when an object reaches the end of its lifecycle.
利用基于经验的成本函数估算成本需要一些统计技术，这些技术将建造或运营某设施与系统的一些重要特征或属性联系起来。
Empirical estimation of cost functions requires statistical techniques which relate the cost of constructing or operating a facility to a few important characteristics or attributes of the system.
这种单位流通业物流成本函数关系很好解释了物流配送的一个显著特点—集聚效应。
The function relation about unit cost of circulating logistics has perfectly explained one salience of physical distribution—gathering effects.
的作用，统计推断是估计的最佳参数值或常数的假设成本函数。
The role of statistical inference is to estimate the best parameter values or constants in an assumed cost function.
基于机组能耗特性的变动成本函数在市场竞争中起主要的作用。
Dynamic cost function based on resources consumption characteristics play an important role for bidding.
将膜分离过程的成本定义为成本渗透率和有效选择性的函数。
The cost parameters for membrane separation of gases are defined in terms of effective selectivity and cost permeability.
方法利用威海市县及以上医院的数据建立随机成本函数模型。
Methods A random cost function model was built by means of data from hospitals at county level and above in Weihai.
误差值定义为路段成本函数的一个百分比值。
The magnitude of the error term is specified as a percentage of the link cost function.
一个困难可以找到最佳的成本函数。
然后将相关数据及资料整理为成本函数数据库。
And all the estimated data are collected in cost function database.
最新定义的自然垄断的特点是代表性企业成本函数的弱增性。
The characteristic of the natural monopoly of the latest definition is the cost subadditivity.
最后，论文通过引入招标成本函数，进一步提出了对于招标人控制投标人数从而达到自身目标最优的策略。
In the end. we study how to get the optimal result for the principal by controlling the number of bidders if the cost function of the principal is taken into consideration.
再加上一个powerufll成本函数，它允许你找到一个伟大的解决方案(不可能是最好的)。
Coupled with a powerufll cost function, it allow you to find a great solution (may not be the best).
为了控制相对时间窗的偏移量，引入了一个在时间窗外提供服务的不便成本函数。
To control the time window violations, inconvenience costs for servicing customers outside their time Windows are imposed.
这本书使用运筹成本函数与连续近似方法来规划运筹系统的方式，可谓独特且有趣。
This is a unique and interesting way of looking at the planning of logistics systems using logistics Cost Functions and continuous approximation methods.
在两级分销供应链中，对于供应商提供的不同的延期支付期限，根据订货商的订货策略，给出了定时信用支付下的成本函数，并证明了模型最优解的存在性；
Secondly, regarding to the time of permissible delay in payment, cost functions are presented according to the order policy, and the existences of the optimal time are proved.
将模拟结果代入相关的费用计算模型，并利用探试成本函数概念，估算不同切割位置分离序列的年总成本。
The simulation results were substituted in the cost models and annual total costs of separation sequences were estimated, taking account of heuristic cost function.
由于两种成本函数的未知性，在经验分析中应从数据出发来得出动态结构。
Due to the unknown nature of the two cost functions, empirically we should try to find dynamic structure from the data.
成本函数的专用模拟集成电路的特殊要求。
The dedicated cost function covers the special requirements of analog integrated circuits.
依据所提出的方法，以新英格兰39节点系统为例，计算了市场参与者成本函数对电价动态变化的影响。
Based on the proposed method and taking the New England 39-bus power system for example, the impacts of market participants' cost functions on dynamic variation of power price are calculated.
在分析煤炭环境成本发生规律和特点的基础上，运用数学统计分析方法，构建煤炭环境成本函数，并确定煤炭环境成本优化的原则和方法。
Based on the analysis for the character and the law of the environmental cost of the coal-mining enterprise., using mathematics to set up the environmental-cost function.
本文基于随机边界成本函数首次实证研究了中国主要商业银行及其战略投资者的成本无效率水平。
The paper based on stochastic frontier function firstly makes an in-depth empirical study about cost inefficiency of China major commercial Banks and their strategic investors.
通过一个实例分析了成本函数模型的应用。
A mathematic cost function is used to optimize the logistics network through an example. 3.
文中应用偏最小二乘（PLS）回归方法建立了配电商的基于生产函数理论的成本函数模型。
Partial least-squares regression (PLS) method is applied in the construction of the production function based cost function model of electricity distribution utilities.
文中应用偏最小二乘（PLS）回归方法建立了配电商的基于生产函数理论的成本函数模型。
Partial least-squares regression (PLS) method is applied in the construction of the production function based cost function model of electricity distribution utilities.
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