facula怎么读

facula

['fækjʊlə]

n.（太阳光球上的）光斑;

复数： faculae

例句:

1、

The upper part of the spearhead is provided with a facula locating device.

工作台上设有防护罩,枪头上方安有光斑定位装置.

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2、

The tracking precision is got by measuring the far-field facula posit.

通过测量回馈光远场光斑的位置变化可以得到端机的跟瞄精度.

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3、

So a new method to limit the facula was presented to improve illumination efficiency of light-pipe .

据此,提出了限制光斑进入 方棒 以提高整体照明系统效率的方法.

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