这种器件的特点是体积小，重量轻，效率高，成本低。
This device is characterized by its small size, light weight, high efficiency and low cost.
曝光效率更高，能量足，机器重量更轻。
Exposure is more efficient, energy foot, machine lighter weight.
归结轮的大小影响效率，重量和乘坐品质的影响。
Chiefly, wheel size affects efficiency, weight and quality of ride.
然而，体积更小、重量更轻、效率更高的电源产品仍是人们不断努力和追求的目标。
However, there is no end to the demand for a smaller, more efficient power supply.
体积小、重量轻，效率高，便于移动。
It has small bulk, light weight, high efficiency, and can move conveniently.
该电源具有效率高、体积小、重量轻等特点。
The power supply has advantages of high efficiency, small volume and weight.
该电源具有效率高、体积小、重量轻等特点。
The power supply has advantages of high efficiency, small volume and weight.
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