Others use the boards as testbeds for improved display hardware, new "chalk" and interactive software.

其他人将板子作为改善了显示硬件、新“粉笔”和交互式软件的测试床来使用。

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Heavy haulers are especially good testbeds because they're large enough to carry the pumps and tanks the system needs to run.

重型货车是特别不错的实验台，因为这些车辆能携带系统需要运行的汽油加油泵和油箱。

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Four pilots areas intended as testbeds for rural broadband are due to be allocated at the end of April.

BBC: ISPs tussle over broadband access

We need more of these gigabit testbeds to ensure there is a sufficient market in the U.S. for super-high-bandwidth applications and services.

FORBES: Faster, Sooner: Why The U.S. Needs 'Gigabit Communities'

An unidentified company has just agreed to order at pair of frames from DBC as testbeds for a new electric bicycle it's developing.

ENGADGET: Engineering a better bicycle with DBC City Bike Design Alt