该发明在驾驶的过程中随时会回收 电能，提高了电池的电能使用效率，提高了车辆的行驶里程数。
The electric car can recover electrical energy at any time, improve the utilization efficiency of the battery electrical energy, and increase the mileage of the car in the process of driving.
针对DSP领域中使用奇数个点的FIR冲击响应设计滤波器时，只能使用效率较低的MAC指令的问题，提出了一种新的快速算法。
A new fast algorithm was proposed in order to solve the problem that the FIR impulse of odd points can only use inefficient MAC instruction in DSP FIR filter's design.
合成气通常需要过滤后才能使用，这样一来就增加了成本，降低了效率。
It usually needs to be filtered, a step that raises the cost and reduces the overall efficiency of the process.
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