求翻译：但是光伏阵列的输出功率随着外界环境（如光照、温度等）的影响而变化，因此最大功率点跟踪控制技术，成为光伏发电系统不可缺少的环节。是什么意思？

However, the output power of the PV array with the external environment ( such as light, temperature , etc. ) of the impact of change , and therefore the maximum power point tracking control technology , photovoltaic systems has become an indispensable part.

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But the light bends down the array output along with the external environment (for example illumination, temperature and so on) the influence changes, therefore the biggest power follow-up control technology, becomes the light to bend down the generating system essential link.

But the photovoltaic array output power with the external environment (such as light, temperature, etc) the effects of changes, so the maximum power point tracking control techniques, and become an integral part of the PV system.

正在翻译，请等待...