subjectHeadingText(主题标目文本)

Definition：The text of a subject heading taken from the scheme specified in the element, or of free language keywords if the scheme is specified as ‘keywords’; or the text equivalent to the value, if both code and text are sent. Either or both must be present in each occurrence of the composite.

定义：主题方案标识符规定方案的主题词或关键词；当代码和主题词都同时使用时，是指与主题代码值相同的文本。每当用到主题复合元素时，应填写主题代码或主题标目文本，或者两者同时填写。

类型：ATTRIBUTE（属性）

Cardinality（基数）：0..1

字符长度：1..300

数据类型：string

BMS代码表ID：

xPath：/catalogue_item_notification:catalogueItemNotificationMessage/transaction/documentCommand/catalogue_item_notification:catalogueItemNotification/catalogueItem/tradeItem/tradeItemInformation/extension/*[namespace-uri()=’urn:gs1:gdsn:onix_publication_file_information:xsd:3’ and local-name()=’oNIXPublicationFileInformationModule’]/oNIXPublicationFileInformation/oNIXSubject/subjectHeadingText