当注入的电子找到已经被占据的更低能级，他们就会溢出，进入其他状态：和它们的凹陷重新组合，并且以光子的形式释放多余能量。
When the injected electrons find the lower-energy state occupied, they spill over into the other state; realigned with their holes, they release their extra energy as photons.
为解决状态观测器中采用传统浮点数运算时，因自动下溢出产生误差的问题，提出全整数运算算法提高控制精度。
To avoid the cumulative error problem caused by auto-overflow in state observer floating operation, the whole-integer operation was proposed to improve the control precision.
这种情况是通过状态寄存器和数据溢出中断（如果使用）来体现。
This condition is signaled via the Status register and the Data Overrun Interrupt (if enabled).
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