1·Specify a constraining rule on the text in an element with mixed content.
在具有混合内容的元素的文本中指定一个约束规则。
2·Not only will any given constraining mechanism typically include limitations, but a single constraint technology is not the best choice for all information formats.
不仅任何给定的约束机制存在局限性，而且一种约束技术不一定对所有信息格式都是最佳选择。
3·Specify a constraining rule that determines the order and choice between attributes.
指定一个约束规则，确定属性之间的次序和选项。
4·And our regulatory system found itself outgrown and outmaneuvered by the institutions and markets it was responsible for regulating and constraining.
我们的监管体系发现，它自己已经被由它负责监管和约束的机构和市场超越并击败了。
5·There are many other ways of constraining the instance data; see Appendix E for the full list.
有许多其它约束实例数据的方法；请参阅 附录 E以获得完整列表。