A doubly achromatic magnetic deflection system with three sector magnet is described.

描述了一个三扇形磁铁消色差磁偏转系统。

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Some considerations about the construction version and choice of materials for the magnet; (3) A simple method of sector-angle machining.

探讨合理的结构方案和合理的材料选择，（3） 对磁鉄的扇形角加工提出了简易方法。

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This paper presents a type of special electrical machine with the electromechanical integration_per-manent magnet sector-stator motor.

设计出了一种机电一体化的特种电机——永磁扇片定子电动机。

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The problem, though, is that with 80% of the company still in the hands of the state - and the telecoms sector no longer a magnet for investors - some institutions are reluctant to climb aboard.

BBC: China Telecom US flotation 'delayed'

To create private-sector jobs and raise wages for those now working, we must make America a magnet for investment from abroad.

FORBES: How To Lure Foreign Investment To The U.S.