When operation, the electric motor spurs the chief axis and turbine vertiginate on.

操作时，电机带动主轴及涡轮高速旋转。

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Chief axis is mainly parts of lifting machine, and it is very necessary to design on failsafe design.

主轴是提升机的主要部件，对其进行可靠性设计很有必要。

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Telecentric lens has parallel chief ray with its optical axis and is ideal for co-axial lighting.

远心镜头拥有与它的光轴平行的主光线，同轴照明是非常理想的。

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Shaul Mofaz, an Israeli parliamentarian and former army chief of staff, says a radical axis of Iran,Syria, Hezbollah and the Palestinian militant group Hamas in Gaza are trying to destabilize the Middle East.

VOA: standard.2009.11.04