scan sector  扫描空域

sector scan and linear scan  扇扫和线扫

sector scan indicator  扇形扫描显示器

sector scan sonar  扇扫声纳

full scan-selected ion monitoring mode Scan-SIM  全扫描－选择离子监测

Agricultural Sector  农业部门

agricultural sector in Taiwan  台湾农业部门

Agricultural Sector Model  农业部门模型

air defense sector  防空扇区

Airspace sector structure optimization  空域扇区结构优化

alluvial-pluvial sector  冲洪积扇

alterable search sector angle  变搜索扇面角

alternative sector  替代扇区

angle of the sector  扇形角

Anhui sector of the Tan-Lu fault zone  郯庐断裂带安徽段

annular sector plate  环扇形板

Annular sector plates  环扇板

annulus sector domain  环扇域

apical sector  翅顶纵脉; 现场可编程门阵列