How to carry out selection of lamps and lanterns solar street lamps?

The selection of lamps and lanterns is mostly based on actual needs, considering the economic and practical, beautiful and easy, and some of the street lamp selection doesn't combined with actual situation, but selected blindly, mainly for the following several aspects: 1, some suburban highway pavement only

the type selection of lamps and lanterns is mostly based on actual needs, considering the economic and practical, beautiful and easy, and some of the street lamp selection not combined with actual situation, but selected blindly, mainly for the following several aspects: 1, some on the outskirts of road surface is only a piece of 'plate', LED street lamp, roadway only green belts and trees such as ground, and some of the designers will design the roadway lateral lamps, waste raw materials already so, also waste the energy, our country still belongs to developing countries, caused a lot of beauty cannot be considered waste. 2, city some streets with more fire lanterns lighting, choose this way of lanterns lighting as is from the beautiful Angle to consider, but the general city streets, after all, not chang an avenue in front of tiananmen square is very serious. Such lighting waste of raw materials, energy, but also greatly increases the maintenance costs. And lighting effect is very poor. In fact, at present developed countries road lighting are very concise and practical.