还应该有百万计的太阳能灯提供照明支持，这些灯在晚上发光并在白天再次充电。
These should be backed up with millions of solar lanterns, which shine by night and recharge by day.
与此同时最具影响力的是，有数以千计的新兴企业投入到了网络科技的领域，还有诸如低耗能照明和移动通信应用等清洁能源科技产品的领域。
And most significantly, there are thousands of new startups that are building web technologies, clean-tech products like low-power lighting, and mobile applications.
方法设计的焦度计主要由照明系统、准直系统、投影光学系统组成。
Methods The designed lensometer primarily consists of light system, collimating system and projective system.
应用推荐