1
the phase angle of [sth]
The phase angle of the current is 30 degrees.
电流的相位角为30度。
相位角；相角
先理解核心含义，再看它在真实句子里的用法。
相位角；相角
the angle representing the difference in phase between two periodic quantities, often measured in degrees or radians
The phase angle of the current is 30 degrees.
电流的相位角为30度。
极坐标表示中的角度分量
Angular component of a polar coordinate representation.
入射光与反射光之间的角度
Angle between incident light and reflected light.
正弦波相对于参考点或参考时间的角位移
Angular displacement of a sinusoid from a reference point or reference time.
正弦波矢量表示中的角度分量
Angular component of the vector representation of a sinusoid.
The engineer measured the phase angle between the voltage and the current.
工程师测量了电压和电流之间的相位角。
A small change in frequency can alter the phase angle of the signal.
频率的微小变化会改变信号的相位角。
To fix the vibration, we adjusted the phase angle of the rotating part.
为了消除振动，我们调整了旋转部件的相位角。
The phase angle of the current is 30 degrees.
电流的相位角为30度。
常用于比较两个波形。
Calculate the phase angle between voltage and current.
计算电压和电流之间的相位角。
We need to measure the phase angle with an oscilloscope.
我们需要用示波器测量相位角。
Not this
The voltage leads the current in a phase angle of 30 degrees.
Use this
The voltage leads the current at a phase angle of 30 degrees.
错误使用介词。表示在某一个相位角，应使用介词 'at'，而不是 'in'。'in a phase angle' 不符合英语习惯。
Not this
The angle of phase is 30 degrees.
Use this
The phase angle is 30 degrees.
词序错误。受中文语序影响，将 'phase angle' 误写为 'angle of phase'，正确结构是 'phase angle'。
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通常用于物理或工程语境
Dictionary facts from ECDICT, WIKTIONARY.