基本解释n.描述符同根派生 descriptors相关词英汉例句用作名词 (n.)Descriptors may be simple statements or full media components.描述符可以是简单语句也可以是整个媒体组件。Basic functions on event descriptors and traces are introduced.引入了基于事件描述符和轨迹的函数。descriptors更多例句