The combination of low pressure on one side and high pressure on the other creates a drag force that must be overcome — a significant waste of energy.

为此，必须浪费大量能源以克服压力差产生的拉力。

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The high resolution Marine seismic survey is seriously affected by the energy source, receiver system, the combination of streamer and sources, the recording system and the field conditions.

海洋高分辨率地震调查主要受震源系统、接收系统、缆源的调谐组合技术、地震记录系统和野外作业条件的影响。

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Improving the traditional tracking control circuit and power combination to improve the system's energy conversion efficiency about 7 to 10 percentage points, with high stability.

改进传统的控制电路与功率跟踪相结合，提高系统的能量转换效率7到10个百分点，具有较高的稳定性。

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