And what I want to point out that we just figured out for molecular orbital theory, is that o 2 is a biradical, because remember, the definition of a radical is when we have an unpaired electron.

我要指出的是，我们刚利用分子轨道理论，指导了O2是二价自由基，因为记住，自由基的定义是，有个未配对的电子。

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Ti-O film was prepared by microwave-electron convolute resonance (MW-ECR) magnetron filter arc deposition process.

采用微波电子回旋共振磁过滤弧设备制备钛氧薄膜。

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This paper mainly studies the distribution of the electron density produced by the high-altitude nuclear burst in atmosphere and gives part o the results at low-altitude.

本文主要研究高空核爆炸在大气中产生的电子密度分布，同时给出低空核爆的部分结果。

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