The global average connection speed is once again increasing, after an unusual drop in the second quarter.
全球互联网的平均速度在经历过第二季度的不寻常下滑后又再一次提高了。
Technological innovation is the engine of modern economic growth. Chinese technological level is increasing, however, its speed (annual rate of 5% on average) lags behind economic growth.
中国技术进步水平在不断上升，但其上升速度(平均大约5 %)滞后于经济增长速度。
However some problems such as torque ripple increasing and average torque descending can be caused by phase commutation of the motor and may get even worse with the speed increasing.
永磁无刷直流电机具有结构简单、转矩大等显著优点，然而电机的换相过程会引起转矩波动增大、平均转矩下降等许多问题，随着电机速度的增加，这些问题会变得更为突出。
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