"It's a slow and creeping and nutrient life-bringing pulse of water that comes into the Delta every year and people have been living with it for thousands of years," he said.
“这股水流每年来到三角洲，缓慢前行、滋养生命，数千年来人们都赖此为生。”他说。
The voltage signal can be changed into a lot of wave forms such as pulse wave, delta wave, DC signal.
电压信号可根据需要设置成脉冲波、三角波、直流等不同信号类型。
The voltage signal can be changed into a lot of wave forms such as pulse wave, delta wave, DC signal.
电压信号可根据需要设置成脉冲波、三角波、直流等不同信号类型。
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