例如，清单3展示了一个样式表，它生成角度的正弦、余弦和正切值。
For example, Listing 3 shows a stylesheet that generates sines, cosines, and tangents for the angles.
晶体管交流毫伏表只能用于正弦电压测量，使测量任意波形电压受到限制。
Transistor AC millivoltmeters specially used to measure the sinusoidal voltage are limited in measuring any other waves of voltage.
提出了一种以C8051F高速片上系统单片机为核心的非正弦波功率表的设计。
The paper presents the design of non-sinusoidal waveforms Watt-meter, which based on the system SCM of high-speed chip C8051F.
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