This device is characterized by its small size, light weight, high efficiency and low cost.
这种器件的特点是体积小，重量轻，效率高，成本低。
这个器件在体积上小。
The whole device which is of small size and light weight can realize portable measurement.
整个装置体积小、质量轻，可实现便携式测量。
This device is very small in size.
这台设备的体积很小。
This device is very small in size.
这台设备的体积很小。
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