According to the characteristics of technology and economy of city untreated sewage source heat pump system, the mathematical models of annual cost object function are established.
根据现有城市原生污水源热泵的技术经济特点，以系统的费用年值为目标函数，建立了系统综合优化的数学模型。
This is necessary to isolate the relational layer from the object layer, but this convenience comes at the cost of performance.
这对于将关系层与对象层分离是必需的，但这种便利是以牺牲性能为代价获得的。
In contrast, if you take a moment to identify the stable relationship in your object model, then you can derive a more stable vocabulary at minimal cost.
相反，如果花点时间确定对象模型中稳定的关系，那么可以用最小的代价派生出更稳定的词汇表。
If your objects are not used with high frequency or do not have a high creation or destruction cost, then object pooling might not be the right strategy.
如果对象的使用频率不高，或者对象的创建或销毁成本不高，则对象池可能不是正确的策略。
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.
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。
This fact combined with the observations drawn above suggests that a contended synchronization is comparable in cost to at least 50 object creations.
把这一事实和我们上面抽取的观察数据结合在一起，可以看出使用一个争用同步的代价至少相当于创建50个对象。
To access some information in SAX, you need to cast an object to a different interface; this carries a performance cost.
要访问SAX中的一些信息，必须将对象强制转化成不同的接口，这样就带来了性能上的开销。
For containers that support minimal updating, you can reduce the cost of session replication by placing multiple, finer-grained objects in the session rather than one big monolithic object.
对于支持最小更新的容器，可以通过将多个细化的对象而不是一个大块头放到会话中而降低会话复制的成本。
Attempts have been made heretofore to provide prefabricated bathrooms with the object of lowering the cost of building a bathroom into a dwelling.
在此之前，人们试图为预制盥洗室装配一些部件以降低把盥洗室渐入住所的成本。
The simple tests used here suggest that an uncontended synchronization is cheaper than the cost of an object creation or a HashMap lookup.
这里使用的简单测试是说明一个无争用同步的代价要比创建一个对象或查找一个HashMap的代价小。
Because replicating sessions has a cost that increases with the size of the object graphs stored in the session, you should strive to put as little data in the session as practical.
因为复制会话有随着会话中的对象图(object graph)的变大而增加成本，所以应当尽可能地在会话中少放置数据。
To evaluate the cost/benefit tradeoff of our approach, which we call PBR-UP, we performed a case study in the context of a small software development project (an object-oriented information system).
为了评估我们的方法的成本/收益的权衡，我们称其为 PBR-UP，我们在一个小的软件开发项目环境中做了一个案例研究（一个基于对象的信息系统）。
If nobody else has updated the dispenser object in the meantime, our later updates will only cost a single round-trip.
如果没有其他人同时更新分发器对象，我们随后的更新仅需一次循环。
Conservatives object to the cost, and the idea of what they say is just another bailout for the car industry.
保守人士反对其开支，并且他们称这一想法只是汽车业的另一次援助而已。
In the restriction of enterprise resource, how to satisfy expected requirement under the minimum stock cost is the object of inventory control policy.
在企业现有资源约束下，如何用最低的库存成本满足预期的需求是库存控制决策的目标。
And cost and autonomy are important factors when enterprises pursue the object of logistics function.
而成本与自主性是企业追求物流活动目标的两个重要考量因素。
The research object of this paper is cost risk, to study and manage the risk in large engineering cost management.
文章研究的目标是成本风险，对大型工程成本管理过程中存在的风险进行研究和管理。
Because size of large object is significant, the cost of collection is significant also. Collection of large objects happens when collecting generation 2.
因为大对象的尺寸比较大，收集时成本比较高，所以对大对象的收集是在第2代收集时。
Because size of large object is significant, the cost of collection is significant also. Collection of large objects happens when generation 2 collecting.
因为大对象的尺寸比较大，收集时成本比较高，所以对大对象的收集是在第2代收集时。
Proposes an optimum mathematical model of heating systems with a minimum life cycle cost being the programming object.
建立了以寿命周期费用最小为目标的供热系统优化规划数学模型。
Why would management object to cost reductions?
为什么管理方面会反对降低能耗呢？
Its purpose is to realize dependably the function that the user need, with the lowest life cycle cost of the object, to obtain the optimal synthetic benefit.
其目的，是以对象的最低生命周期成本，可靠地实现使用者所需功能，以获取最佳的综合效益。
This paper takes the social environment cost of industrial pollution as research object.
文章以工业污染的社会环境成本为研究对象。
Taking minimizing annual operating cost as an object function, the method employed hereditary algorithm to get optimal compensatory places (non-node) and capacity.
该算法以年运行费用最小为目标函数，运用遗传算法求出最佳的补偿地点(非节点)和最优补偿容量。
The object of the strategic cost management is the product cost of the whole lifecycle.
战略成本管理的对象是产品整个生命周期的成本。
The cost management by objective is the central part of engineering project management. This paper makes a probe into how to define object cost.
目标责任成本管理是工程项目管理的中心内容。此文就如何界定目标成本进行了探讨。
Regarding the cost of engineering project costruction as the object of study, the fisibility of applying ABC in engineering project construction is analyzed.
并以工程项目施工成本为研究对象，分析工程项目施工引入作业成本法的可行性。
Regarding the cost of engineering project costruction as the object of study, the fisibility of applying ABC in engineering project construction is analyzed.
并以工程项目施工成本为研究对象，分析工程项目施工引入作业成本法的可行性。
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