下列哪个句子最符合科技英语写作规范？
A: The loudspeaker, an electroacoustic transducer, converts audio-frequency power into acoustic power.
B: The loudspeaker; an electroacoustic transducer; converts audio-frequency power into acoustic power.
C: The loudspeaker—an electroacoustic transducer, converts audio-frequency power into acoustic power.
D: The loudspeaker—an electroacoustic transducer; converts audio-frequency power into acoustic power.
A: The loudspeaker, an electroacoustic transducer, converts audio-frequency power into acoustic power.
B: The loudspeaker; an electroacoustic transducer; converts audio-frequency power into acoustic power.
C: The loudspeaker—an electroacoustic transducer, converts audio-frequency power into acoustic power.
D: The loudspeaker—an electroacoustic transducer; converts audio-frequency power into acoustic power.
举一反三
- For the generator control panel onboard a ship with AC electrical power network, it has voltage meter, current meter, and ( ) also. A: frequency<br/>meter, power meter, and power factor meter B: frequency<br/>meter, power meter and mega ohm meter C: frequency<br/>meter, power meter and rotating speed meter D: frequency<br/>meter, mega ohm meter and rotating speed meter
- Moore's law means _____. A: The power of integrated transistors on a chip doubles every year, and so does its computing power. B: The power of integrated transistors on a chip doubles every two years, and so does its computing power. C: The power of integrated transistors on a chip doubles every 18 months, and so does its computing power; D: The power of integrated transistors on a chip doubles every six months, and so does its computing power.
- ( ) is not the index of power quality. A: voltage B: current C: frequency D: waveform
- （ ）is power equipment. A: battery B: audio C: wiper D: starting system
- In large power distance countries, the older the business executives are, the more likely they stay in power.