由于我国企业的性质，我得到了很多无用的电子邮件。
Due to the nature of my business, I get a lot of unwanted email.
这种摆动性质影响着自由电子激光的特性。
This property have an effect on performance of the free electron laser.
角分辨能谱（ARPES）是研究材料微观电子态性质的强大实验手段。
ARPES is one of the most powerful techniques to study the electronic state in materials.
角分辨能谱（ARPES）是研究材料微观电子态性质的强大实验手段。
ARPES is one of the most powerful techniques to study the electronic state in materials.
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