timing sector meaning in English

正时扇形

This article is about the enterprise status in the technology innovation system of one country . we know that the enterprise is the main actor in the market economic countries . and tech - innovation is one of their main functions as a long - time sector
当前我国正在大力推进和深化经济体制改革、科技体制改革、完善现代企业制度、构建有中国特色的国家创新体系，培育企业成为技术创新的主体这一问题日益突显出来，越来越受到政府部门、企业界人士的重视和关注。
To study the wave field characteristics of 2 - d viscoelastic random medium , we divide up the theoretic recording sections ( vertical component ) into two different time sectors , and separately calculated and extracted the three statistical characteristics ( horizontal center frequency , vertical center frequency and relative magnitude of the wave field energy ) in the two different time sectors
为研究粘弹性随机介质模型中的波场特徵，我们在理论记录（垂直分量）剖面上选取两个时间区段；在这两个不同的时间区段上，分别计算剖面的三个统计特徵（横向中心频率、纵向中心频率、波场能量相对值）。