upward compatible

基本解释

The XML schema is evolved, which is upward compatible with the existing XML schema.
XML schema 被更新，但与现有 XML schema 向上兼容。
This scenario evolves the XML schema that is upward compatible with the existing XML schema.
这个场景更新 XML schema，新的 schema 与现有 XML schema 向上兼容。
It also discusses the membership rules of the tool families, good construct of the tool configuration, upward compatible relations between the tool, and the scope affected by the tools' updating.
工具间的关系主要讨论工具家族中的成员关系准则、构造良好的工具配置、工具的向上兼容关系、以及工具修订的影响范围。

向上兼容
Upward compatible syntax for SQL that incorporates parameterized view is also proposed.
本文还给出了扩充的、具有视图参数定义功能的SQL 语言向上兼容的语法。
上向兼容
向上相容