They provide energy, boost the immune system, keep skin healthy, help keep the brain and nervous system in good working order, and they play a part in control and repair of tissues.

它们提供能量、提高免疫力、保持皮肤健康、帮助维持大脑和神经系统良好工作状态，他们还部分参与组织的调控和修复。

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Simulation about MPPT is also carried out and its results explain that the control strategy designed for the former BOOST circuits of this system can track the max power point effectively.

对改进型最大功率跟踪策略进行了仿真，结果表明，该控制策略在本系统设计的前级BOOST电路中可以有效地跟踪太阳能最大功率点。

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This paper is mainly focusing on the flight control system design for Reusable Boost Vehicle (RBV).

增益调度法原理简单，在飞行控制系统的设计中得到了广泛应用。

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The MPs said the use of statistics system had improved, but more control needed to be given to the UK Statistics Authority to boost public confidence.

BBC: MPs warn statistics use may damage public trust