sectors

核心释义

a field of economic activity

1. 1.

   部分；部门。

   A section.

2. 2.

   飞机及机组人员日程中,从一个机场装载前准备飞机开始,到下一个机场下客结束的时段。

   In the schedule for an aircraft and its crew, the period starting with preparation of the plane before loading at one airport and ending with deplaning at the next.

3. 3.

   区域；指定地带。

   A zone; a designated area.

4. 4.

   圆的一部分,延伸至圆心；扇形。

   Part of a circle, extending to the center; circular sector.

5. 5.

   由以球心为顶点的锥形边界所界定的球体或球形的一部分。

   A portion of a sphere or ball defined by a conical boundary with apex at the center of the sphere.

6. 6.

   数字介质磁道上固定大小的连续数据单元(传统上为512字节)。

   A fixed-sized unit (traditionally 512 bytes) of sequential data stored on a track of a digital medium.

7. 7.

   由两根等长直尺铰接而成的仪器。

   An instrument consisting of two rulers of equal length joined by a hinge.

8. 8.

   经济活动领域。

   A field of economic activity.

9. 9.

   齿面为圆弧的齿轮。

   A toothed gear whose face is the arc of a circle.

10. 10.

    磁道上固定、连续的区段,各扇区互不重叠且共同构成整条磁道。

    A fixed, continuous section of the track, such that sectors do not overlap but all sectors make up the whole track.

11. 11.

    岩壁上的一个区域,包含多条攀岩路线。

    An area of a crag, consisting of various routes

部分；区域；扇区；扇形；球扇形；航段；计时段