If you extract records from a database to create the XML documents, you can transfer the database key directly to the key attribute of the address_rec element.
如果您从一个数据库提取一些记录来创建XML文档，您可以将数据库键直接传输到address_rec元素的key属性。
Then it expounds how to transfer value to price, accounting use fair value as a measurement attribute and the meanings of fair value.
接着又从经济学的角度对价值转化为价格、会计学引入公允价值作为计量属性以及公允价值的涵义进行了阐述。
In contactless power transfer system, attribute to unidirectional energy transfer, there are many problems such as energy feedback difficultly and low efficiency brought by system open-loop running.
在非接触电能传输系统中，由于电能单向传输特性，系统存在电能回馈困难、系统开环运行效率低等问题。
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