NRA的音标

NRA

[ˌen ɑ:(r) ˈeɪ]

abbr.National Register of Archives <英>国家档案登记处;

例句:

1、

And have prepared crystal nano-silicon particles with the diameter ranging from 30 to 50 nra.

利用该设备制备了直径30～50nm的晶态纳米硅颗粒.

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2、

The NRA had a great night.

全国步枪协会那天晚上获得了大丰收.

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3、

The performance of Nitrate Reductase Activity ( NRA ) in plant leaf reflects the status of nitrogen metabolism.

硝酸还原 酶 活性高低可反映植株营养状况和氮素代谢水平.

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