理学 计算机存储部件 释 sector 扇区 一个磁道由被分成若干等长段，每一段称为一个扇区。
sector ①扇形 ②象限 ③四分仪
＞拓扑学与几何学＞初等几何学＞释义 sector 扇形 sector 扇形†
sector 象限仪
计算机硬件 存储设备 释文 sector 扇区
- crop climatic adaptation
- crop-climatical potential productivity
- crop coefficient
- crop combination
- crop composition
- crop composition and distribution
- crop cultivar approval
- crop cultivar registration
- crop cultivation for stress-resistance
- crop damage in sunlight greenhouse due to continuous overcast days
- crop disease
- crop disease and pest disasters in China
- crop diseases and insect pests
- crop diseases in China
- crop distribution
- crop domestication
- crop domestication and evolution
- crop ecological adaptability
- crop evapotranspiration experiment
- crop farming
- crop gene discovery
- crop germplasm resources ex situ conservation
- crop germplasm resourceson-farm conservation
- crop germplasm sensitivity to environmental factors
- crop growth condition monitoring by remote sensing