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。
Moving up a layer has a cost in terms of adopting certain practices in development, build, and operations, but also has benefits.
就开发、构建和运营时所采用的具体实践来说，升级到上一层会有成本，但也会有好处。
The inclusion of such a layer involves an additional up front development cost.
包含这样一个层涉及了额外的早期开发成本。
In addition, due to the fact that virtualization techniques are commonly employed in this layer, cost savings brought about by more efficient resource utilization can be realized.
此外，由于此层一般利用虚拟化技术，因此可以实现由更加高效的资源利用率带来的成本节约。
Rather, I'm suggesting that the benefits that layered architectures provide come at a cost, and you should assess the cost before adding an architectural element such as a service layer.
相反，我认为分层架构提供的优势是有代价的，您应该在添加架构元素(比如，一个服务层)之前评估成本。
What's the cost of this XSLT abstraction layer?
XSLT抽象层的代价是什么？
But the cost of drilling is high, and the electric or shallow seismic explorations are limited by layer media and have lower precision.
钻探成本高，浅震和电法都存在有层状介质的局限性及勘探精度的问题。
There remains big opportunity in the satellite layer -- for applications, software, services -- that only comes when the cost-per-pound of launch cargo decreases, he says.
他说：无论是对于应用程序、软件和服务来说，卫星层依然有大机会，但只有当每磅货运的发射成本大幅降低之后，这一切才能成为现实。
In the integration server layer, design a query optimizer and research query rewrite, cost estimation model and caches mechanism.
在服务器层设计一个查询优化器，并研究了查询重写和代价估计优化方法以及缓存机制。
A water barrier was extruded on the insulation layer of electric cable to improve electric property and to lower the cost.
在电缆绝缘缆芯外挤包一层堵水材料，不仅可改善电缆的电气性能。而且可降低电缆材料的成本。
For their estimation a process scheme sorting layer tree is set up. The fuzzy synthetic estimation module is founded based on the product quality, manufacturing cost and production cycle.
以产品质量、生产成本和生产周期为基础，构造了工艺方案评价分层指标树，建立了工艺设计方案的模糊综合评价模型。
The Multi?layer hierarchical recursion model for equipment overhaul cost forecasting is successfully established in overhaul cost prediction.
经标准化处理后，在确定时变参数估值的基础上，建立了大修费用多层递阶预测模型，并成功地实现了大修费用预测。
Instead of surface sacrificial layer and bulk micromachining technique, using polymer as thermal isolation material decreases cost and improves yield.
以聚合物材料作为绝热材料，避免了表面牺牲层工艺和体加工技术，降低了成本、提高了成品率。
The utility model can enhance, at low cost, the display performance of an electro-optical device to reflect the light emitted from a light-emitting layer to an electrode opposite to a substrate.
根据本实用新型可以以低成本提高将从发光层发出的光向基板和相反侧的电极侧反射的电光学装置的显示性能。
The invention has low cost, which can generate bright and compact nickel coated layer with superior property.
本发明具有成本低，得到的镀镍层光亮致密，性能优异的优点。
More important, HTML5 removes a layer of software from Android, said Mr. Sullivan, and thus drives down the cost of hardware needed to run it.
沙利文说，更重要的是，HTML5在开发时较安卓少了一层软件，因此也就压低了运行所需的硬件的成本。
The comparator and the antenna array are located on the same layer resulting in the advantages of being simple, compact, easy manufacturing and low cost.
和差网络和天线阵处于同一平面，因而具有结构紧凑、简单，加工方便和成本低的优点。
In the paper, some viewpoints, such as quality cost analysis, quality skill analysis, equipment multi-layer maintenance, will play an important role in tobacco production management.
文中提出的质量成本分析、质量技术分析、设备多层级维护和维修等观点对提高生产管理水平具有重要的作用。
Compared with the prior art, the utility model reduces the background color layer, so the manufacturing process can be shortened and the production cost can be reduced.
本实用新型与现有技术相比，减少了底色层，从而可缩短制造流程并降低生产成本。
The application cost of glass wool increased because of the additional compression resistance layer, and the thermal insulation performance of common greenhouse was the worst.
玻璃棉由于附加抗压层而导致应用成本提高，常规材料干草帘的保温性最差。
The resistance transformation type memorizer with a buffer layer structure has simple manufacturing process and low manufacturing cost, and is compatible to the traditional CMOS process.
本发明提供的具有缓冲层结构的电阻转变型存储器制造工艺简单、制作成本低并且与传统CMOS工艺兼容。
The invention discloses a layer structure with active carbon and the producing method, which solves the problem of the prior art of complicated procedure and high cost.
本发明公开了一种具有活性碳的布层结构和制法，为解决现有技术中生产程序复杂、成本高等缺点而发明。
Refer to J2EE and new computer techniques, a multi-layer system architecture of MSM system is designed. Capability and Cost of the MSM system are considered.
参考j2ee架构和先进的计算机技术进行了物资供应系统多层系统架构的设计，在设计过程中兼顾考虑了系统的各方面性能和系统的成本。
Using double layer container transport is an effective approach to reduce intense transport capacity of main railway line in China and decrease container transport cost.
采用双层集装箱运输是缓解目前我国铁路主要干线运输能力紧张状况、降低集装箱运输成本的有效途径。
Double layer flat diagonal square pyramid grids has the advantages of being simple in formation, rational in member stressing and fairly economic of steel cost among square pyramid grids system.
双层平板型斜放四角锥网架节点构造简单，受力合理，用钢量是四角锥体系网架中最小的一种形式，也是国内工程中应用较多的一种。
The results have proved that treating superficial layer soft foundation with dry vibration crushed stone piles has advantages of reliable technology, low cost and short time limit.
指出干振碎石桩处理浅层软弱地基土技术可靠，成本低，工期短的优点。
The other key to the operation of a PEM membrane is the thin layer of platinum-based catalyst that coats both of its sides and that represents 40 percent of the stack cost.
PEM隔膜的另一运作关键，则是镀于隔膜两面的薄层铂触媒，占电池组成本的四成。
In this paper, a new type of hards board material layer with good quality for laying, low cost and three disengaging contact rollers is involved.
介绍了一种辅装质量好、成本低的新型麻屑板铺装机—三辊分离式麻屑板铺装机的结构和工作原理，并对三个辊轮的运动参数的确定方法进行了讨论。
The invention relates to a sensitive layer of a sensor and a preparation method, in particular to a sensitive layer of a chemical hydrogen sensor with low cost and quick response.
本发明涉及一种传感器敏感层及制备方法，是一种低成本、快速响应的化学氢传感器敏感层。
The invention relates to a sensitive layer of a sensor and a preparation method, in particular to a sensitive layer of a chemical hydrogen sensor with low cost and quick response.
本发明涉及一种传感器敏感层及制备方法，是一种低成本、快速响应的化学氢传感器敏感层。
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