This international team wanted to see whether Arctic reindeer could too, and so subjected the animal to various optical tests.
这个国际研究小组想要调查，北极驯鹿是否也能够看到紫外线，所以将驯鹿接受各种光学测试。
Wai, also a leading professor of optical communications at the university, said that companies had shown an interest in buying the system, but tests and certifications would take at least three years.
卫教授，也是理工大学光通信专业一个的学术带头人，说到很多公司开始对购买这个系统产生兴趣了，但其测试和检定至少需要3年。
The environmental and the actual condition tests show that the infrared system with metallic mirrors has met the requirement of optical design.
系统经外场实际测试的结果表明，使用了金属反射镜的红外热成像系统达到了光学系统的设计指标。
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