其次根据住户数和户型情况进行了负荷计算，负荷计算时采用了需要系数法。
Second, in accordance with the number and size of households the load is carried out, the load calculation method adopt needs.
提出需要系数法应结合高校特点进行适当的修正，并给出了修正需要系数法的概念。
It was pointed out that the method of needful coefficient should be amended combining with the characteristics of university, and the concept of the correctional needful coefficient method was given.
如果您使用固定系数方法或载入具体比例，那么当这些百分比变更或您添加了特定公司时您需要小心。
If you use the fixed coefficient method or load in specific percentage then you need to be careful when these percentages change or if you add a particular company.
有很多计算方式可以根据你的身高，体重，还有活动系数给你一个基础代谢率。那就是，你每天所需要的热量。
There are many calculators available that take your weight, height and level of activity and give you a fairly accurate idea of your daily calorie need.
如果您想要使用触发器、聚合函数、外部联接、视图以及其他SQL功能，HSQLB都可以满足您的需要(大部分轻量级关系数据库无法做到这一点)。
If you want triggers, aggregated functions, outer joins, views, and other SQL features, they are all there (something you won't get from most lightweight relational databases).
比方说，虽然JDBCDMS需要知道持久性技术(比如关系数据库)，以及如何配置和访问数据，SDO客户机不需要了解这些细节。
While a JDBC DMS, for instance, needs to know about the persistence technology (for example, relational databases) and how to configure and access it, SDO clients need not know anything about it.
如果您做了性能分析，发现对于XML数据需要大的页宽，而对于关系数据或索引则需要小的页宽，那么可以使用不同的表空间来实现这一点。
If you have done a performance analysis and find that you need a large page size for XML data but a small page size for relational data or indexes, you can use separate table Spaces to achieve this.
关心这些细节的应用程序如出版系统，需要寻求关系数据库之外的方法来存储需要的信息。
Applications such as publishing systems that care about these details need to look beyond the relational database for their information storage needs.
它还允许创建顾客和部件目录，而完全不需要访问关系数据库。
This also allows you to create customer and part catalogs without accessing the relational database at all.
之所以出现这样的碎片，原因是关系数据来自事务，而事务需要系统上下文来了解调用源和目标。
Such fragments happened here because the relationship data comes from the transactions, and transactions need system context to know the invocation source and target.
那么，还需要关系数据库吗？
现在你大概能够看出我真正需要的其实是汽泡纸的杨氏模量而非一张纸的弹性系数。
Maybe you can see that what I really need is Young's modulus for bubble wrap and not the spring constant of an individual sheet.
如果数据源是关系数据库，那么就需要写一个复杂得多的服务了。
If the data source is a relational database, a more complex service will need to be written.
毕竟，可能会在需要时使用在处理过程中生成的XML文档在关系数据库中存储数据，而不是在本地XML数据库中存储。
After all, you probably store your data in a relational database, rather than in a native XML database, with the XML documents generated on the fly as needed.
另外，对于需要以关系数据形式处理XML数据的应用程序，DB 2允许通过创建视图把xml转换为具有传统SQL数据类型的结果集。
Furthermore, for applications that need to perceive XML data as relational data, DB2 enables firms to create views that dynamically transform XML into result sets with traditional SQL data types.
这使得持久化已发布的记录非常容易，并且不需要用传统的关系数据结构创建hl7模型。
This made it extremely easy to persist the published records without the need to create the HL7 model in a traditional relational structure.
最常见的原因是需要向仅使用关系数据的遗留SQL应用程序、打包业务应用程序和商业智能 (BI)工具馈送数据。
The most common reason is the need to feed legacy SQL applications, packaged business applications and business intelligence (BI) tools that consume only relational data.
需要注意的是，因为该类型并不一定有一个真实的关系数据库表，所以我们使用术语逻辑表。
Notice that we use the term logical table because it is not necessarily true that there would be a real relational database table for that type.
需要一个关系数据库来支持XML数据类型存储XML文档，不是所有的数据库都支持XML数据类型。
A relational database is required to support the XML data type to store an XML document. Not all databases support the XML data type.
得到结果之后，只需访问一个关系数据库性能基准站点，查找能够满足需要的系统。
Once performed, you can simply go to a relational database performance benchmark site and find systems in the ballpark range.
要对一个关系数据库中的电影建模，您可能需要一个表来存储特定于电影的信息，比如标题和发行日期。
To model movies in a relational database, you'd likely have a table for movie-specific information like title and release date.
这允许您快速开发需要使用XML数据、关系数据或这两种数据的混合体的应用程序。
This allows rapid development of applications that require either XML data, relational data, or a hybrid set of XML and relational data.
这个目标在层次数据库中几乎是自动完成的，但在关系数据库中需要做些工作。
This goal is accomplished almost automatically in hierarchical databases, but takes work in relational ones.
在带有敏感数据的环境中，不仅需要屏蔽传统的关系数据库中的数据，还需要屏蔽可能用于测试场景的文本文件。
With the current environment of data sensitivity, there is a need to mask data not only in the traditional relational databases, but also in flat files that could be part of a testing scenario.
第二点，那就是需要维持和美国高度安全系数的军事结盟，尤其是最近几天来，日本和中国的关系一直很紧张。
The second is the importance of maintaining a strong security alliance with America, especially while Japan’s relations with China remain as rocky as they have shown to be in the past few days.
J2EE开发人员通常需要在关系数据库中存储XML文档以及从数据库中检索XML文档，以获得元素值和属性值。
J2EE developers are commonly required to store an XML document in a relational database and retrieve an XML document from a database to obtain element and attribute values.
模型需要匹配源XML或关系数据库中存在的类型、属性和关系，需要将此信息指定给DAS。
The model needs to match the types, properties, and relationships that exist in the source XML or relational database, and this information needs to be specified to the DAS.
第二点，那就是需要维持和美国高度安全系数的军事结盟，尤其是最近几天来，日本和中国的关系一直很紧张。
The second is the importance of maintaining a strong security alliance with America, especially while Japan's relations with China remain as rocky as they have shown to be in the past few days.
我们可以包含关系数据库，需要时转入SQL并在适当的时候退出。
We can embrace the relational database, dropping down into SQL as needed and staying above it when convenient.
如果您只需要使用关系数据库，而不打算使用XML技术，那么只需忽略支持XML的列。
If you want to use a relational database without being bothered with XML technologies, you can just ignore the XML-aware columns.
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