NRA是什么意思   NRA怎么读

NRA单词基本解析：

NRA变化用词：

NRA英英释义：

1. a powerful lobby that advocates the right to own and bear arms and rejects any gun regulation by the government

名词 nra:

a powerful lobby that advocates the right to own and bear arms and rejects any gun regulation by the government

同义词：National Rifle Association

NRA中文词源：

NRA用法和例句：

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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A two years study indicated that nitrate reductase activity ( NRA ) in vivo sharply decreased after harvest.

两年的试验结果表明,深色晾烟采收晾制后,体内硝酸还原 酶 活性剧烈下降.

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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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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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NRA