According to the characteristics of program controlled interface in low voltage programmable power supply, the design principles of PC bus board in programmable power supply are described.

根据低压程控电源程控接口的特点，阐述了程控电源PC总线控制板卡的设计原理。

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The virtual multimeter based on ISA bus is divided into computer and ISA bus board. It is composed of A/D conversion, alternating voltage measurement, resistance measurement and interface circuit.

基于ISA总线的虚拟万用表，分计算机和ISA总线板卡两部分，由A/D转换、交变电压测量、电阻测量及接口电路组成。

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Three retired firemen are on the bus. They advise us to take large rocks on board to smash our way out, should we crash.

巴士上有三名退休的消防员。他们建议我们带些大石头上船，以备发生碰撞时可以砸出路。

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Wheelchair users prefer a ghastly modern bus they can board to a romantic old one they can't.

ECONOMIST: The end of the road for London's most famous bus

They will be asked to read signs, board a bus and pay for tickets.

BBC: Worcester bus drivers experience life as a blind passenger

"We have seen Ganga maiya, " he says, as he prepares to board his bus to go back home.

BBC: NEWS | South Asia | A day at the Ardh Kumbh festival