As many as four-fifths of all the cells in the electric eel's body are specialized for generating electricity, and the strength of the shock it can deliver corresponds roughly to length of its body.

在电鳗的身体中，五分之四的细胞都是专门用来发电的。电鳗能释放的电流强度大体上与它的身体长度相一致。

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Along this line 20,000-ton coal trains can reach a length of over 7 km pulled by powerful electric locomotives over an extra heavy duty track and driving down operating costs.

大秦线上运行的两万吨运煤列车长度可达7公里，由大功率电力机车牵引，大大降低了运营成本。

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Just as the length and cro - section of the pipe affect the flow of water so it is with conductors of electric current.

正如管道的长度和截面会影响水流一样，导体对电流的影响也是如此。

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For a metropolis twice the size of another, the length of electric cables, number of gas stations and other bits of infrastructure decrease by about 15% per inhabitant.

ECONOMIST: Urban research

The molecules are then sorted according to their length by using an electric current to drag them through a gel (small molecules move faster than big ones) and the order of the colours in the gel is read off, using a laser.

ECONOMIST: Genetic warfare

One thing we discussed at length was the idea that electric drivetrain cars should indeed look different from conventional models.

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