采用人造肌肉代替电动机可减小太空探测器和机器人的体积与重量。
Using artificial muscles in place of motors could reduce the size and weight of space probes and robots.
这样，大大地减小了变换装置的体积和重量，提高了效率，减小了听觉噪声。
So, the power supply system has reduced weight and volume with increased efficiency and decreased noise.
为了减小整体结构体积和重量，现代燃料电池结构大量使用纤维增强复合材料。
Fabric reinforced composites are widely used in modern fuel cell stacks in order to decrease the volume and weight.
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