boundary n. 边界,疆界,限界 (between);(球场)边线;界标;界限,范围,分野。 aboundary dispute 边界纠纷。 the boundary between Canada and the United States 美加国界。 boundaries on all sides 四方辐辏之所,四通八达。
Pitch range will be examined on both the global and local levels of news structure , in order to verify whether it is used as a means of characterizing overall news structure , and as an indicator of news section boundary 音调将从全局,局部两方面来验证,借以说明在广播新闻的整体以及各部分之间界限上,音调是否有所作用。