EPW采用的是前者，成像效果好，镜片可穿透性高，可以放置在眼镜正前方显示，更符合人类的观察习惯，缺点是体积较大，产品形态类似太阳镜 此前 ...

Hazari, as lore has it, was known for his efficiency. He initiated, it is believed, the special sections on agriculture and industry in EPW and seeded the idea of a research foundation for EPW ...