The causes of the front fog lamp shield blistering after surface treatment are studied by means of metalloscopy scanning electronic microscope and energy spectrum analysis.
2
在阳光下注意穿衣，太阳镜和遮光剂。
You should wear protective clothing, sunglasses, and sunscreen when in the sun.
3
为了减小初始中心遮光比，将次镜锥状遮光罩改进为百叶窗式结构；
In order to reduce the obscuration, conical baffle of secondary mirror is ameliorated into a shutter one.
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