由于传感器网络中的节点通过能量有限的电池提供能源，使得如何对节点能量进行优化使用是传感器网络应用中的关键技术之一。
Because the nodes in WSN are powered by batteries, which have limited power energy, the techniques of making good use of the energy is one of its focuses in designing and applications.
Wirecutter还发现了很多有用的做法，可以更经济地使用电池，比如把音乐直接存储在设备里(不要用流媒体收听)或优化邮件设置。
The Wirecutter also found plenty of helpful practices to get more use out of your battery, like playing music stored directly on the device (instead of streaming it) or tweaking email configurations.
博物馆还使用光伏太阳能电池板，它不仅可以优化太阳光线的角度，还可以在白天为建筑供应太阳能。
The Museum also USES photovoltaic solar panels, which can be adjusted to optimize the Angle of the sun's rays throughout the day and generate solar energy to supply the building.
博物馆还使用光伏太阳能电池板，它不仅可以优化太阳光线的角度，还可以在白天为建筑供应太阳能。
The Museum also USES photovoltaic solar panels, which can be adjusted to optimize the Angle of the sun's rays throughout the day and generate solar energy to supply the building.
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