搜索结果: 1-1 共查到“理学 multi-color output”相关记录1条 . 查询时间(0.078 秒)
New laser design offers more inexpensive multi-color output
New laser design more inexpensive multi-color output
2017/7/24
From checkout counters at supermarkets to light shows at concerts, lasers are everywhere, and they’re a much more efficient light source than incandescent bulbs. But they’re not cheap to produce.A new...