This is because a composite value type, such as a user-defined structure, has no valid default value.
这是因为复合实值型别(例如使用者定义的结构)没有任何有效的预设值。
The data object in these CRUD operations, ideally for this pattern, is a composite value object data object.
这些CRUD操作中的数据对象是组合值对象数据对象，特别适合此模式。
A second kind of operator is one that ACTS on component data elements instead of on the entire composite value.
第二种操作符是针对组成数据元素而非整个复合值的一种操作。
Composite applications are a key tool in implementing meaningful business value within a SOA.
组合应用程序是在SOA中实现有意义的业务价值的关键工具。
From 2001 to the third quarter of 2005, the Shanghai composite index halved in value.
从2001年到2005年第三季度，上证综合指数的价值跌去一半。
This approach demonstrates the value of reuse early in your adoption of the composite application architecture.
这种方法可以在采用复合应用程序体系结构时尽早享受重用带来的好处。
For composite and complex services where data must be linked or matched, default values should be removed to prevent linkages of records with the same default value.
对于复合和复杂的服务，由于必须链接或匹配数据，应该去掉默认值，以防止记录与相同的默认值相链接。
Measurable: Composite business services must quantify their business value.
可度量：组合业务服务必须对其业务价值进行量化。
Web applications often have a lot of value to add to a composite application; however, most Web pages are designed to fill the entire screen.
Web应用程序通常可以为复合应用程序增加很多价值。但是，大多数Web页面被设计为填满整个屏幕。
Research Affiliates compiles a composite measure of five-year averages of cashflow, sales and gross dividends, plus a company's book value.
研究合作公司汇集了一个对5年平均现金流、销售和净红利，以及公司帐面价值的复合测量。
This article discusses some of the new components in version 2 of the library and shows how they can be used to add value to your composite applications.
本文讨论这个库的2.0版中的新组件，并展示如何使用它们增加复合应用程序的价值。
They get initialized and assigned the value given in the composite by the Tuscany runtime.
Tuscany运行时将在组合中对其实例化并赋值。
The third value is to better manage and easily express the relationship between web services WSDL and XSD, such as in the composite services that combine two or more services.
第三个价值在于更好地管理，并轻松地表达Web服务WSDL和XSD之间的关系，例如包含两个或者多个服务的组合服务中两者之间的关系。
Collections can either model value types (element or composite-element) or entity reference types (one-to-many or many-to-many associations).
集合可以是值类型的(元素或组合元素)，也可以是实体引用类型的(one - to -many或many - to - many关联)。
The research shows that the design value combines tidal level and wave by composite frequency method is considered to be the reference for design levee elevation.
该研究表明，可采用组合频率法推求的潮位与波浪组合设计值作为制定海堤设计高程的依据。
Since the image is a composite (i. e. each plane is represented separately and the images are combined), we can divide each of the planes, so that the maximum value of the additions is less than 255.
由于图像是复合的(每一位面分别表现并且图像是合成的)，因此我们可以除以每一位面，这样增加的最大值将小于255。
Resin composite manhole cover is made of polymer composite materials, no recovery value.
树脂复合井盖是由高分子复合材料制成，没有任何回收价值。
One class of composite boundary value problem with two displacements is discussed with integral equations.
用积分方程的方法讨论了解析函数的一类带有两个位移的复合边值问题。
Based on calculation of reserves value with cost method, this paper firstly proposes value evaluation model for natural gas reserves (composite model of surplus profit).
在成本法计算储量价值的基础上，首次提出了天然气的储量价值评估模型(超额收益综合模型)。
The (SBA-15) - (DBC-ASA) composite materials have the potential applied value in laser material field.
复合材料（SBA-15）-（DBC-ASA）在激光材料等领域中具有潜在应用价值。
It is proved that most kinds of polymer additives can improve the composite wear value of oiliness and EP agent.
结果证明多数粘度指数改进剂可提高油性极压剂的综合磨损值。
Rammed enlarged composite bearer pile is of high utility value for its easy construction, reliable quality and obvious economy benefit.
复合载体夯扩桩施工简单、质量可靠、经济效益显著，具有极高的应用价值。
The peak ageing strength and elongation value of the rolled composite were higher than those of the extruded composite.
复合材料轧制板材峰时效的强度和延伸率与挤压板材峰时效状态相比有一定程度的提高。
Therefore, a composite service is of high value for research and has a wide application prospect.
所以组合服务非常具有研究价值，其应用前景也十分广阔。
For the percolation composite, the dielectric loss value was always less than 0. 4, irrespective of the frequency.
发生渗流效应时，复合材料的介电损耗低于0.4，与频率无关。
This fracture process is one of the reasons of the dispersivity of strength for composite and its value is often lower than values calculated with ROM in most cases.
这样的断裂过程正是复合材料的强度具有离散性及往往低于ROM计算值的原因之一。
Objective to investigate the value of the composite resin inlay to restore the childrens permanent teeth.
目的探讨复合树脂嵌体技术在儿童恒牙牙体修复中的应用价值。
Objective to investigate the value of the composite resin inlay to restore the childrens permanent teeth.
目的探讨复合树脂嵌体技术在儿童恒牙牙体修复中的应用价值。
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