CONCLUSIONS: These changes suggested that self energizing system and self engulfing system of the photoreceptors were disfunctioned.

结论：超微结构变化提示感光细胞能量代谢系统和(或)自噬系统功能障碍。

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This weakened sleep system and inability to get proper restful and energizing sleep creates low energy levels and a weakened immune system.

这个削弱了的睡眠系统和得不到适当的休息和睡眠的活力的能力就造成了能量的低水平和免疫系统的降低。

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The Self-energizing of a tractor's disc braking system is studied. A concept of self-energizing efficiency is proposed for the first time in this paper.

本文对拖拉机盘式制动系统的增力作用进行了研究，首次提出了系统增力系数的概念。

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