second harmonic
collocation二次谐波
The second harmonic has twice the frequency of the fundamental.
二次谐波的频率是基频的两倍。
泛音；球谐函数；孩子；子女；波的信号中频率为基频整数倍的成分频率；在弓弦乐器上,可以在特定弦的谐波系列中演奏而没有基音的音符的位置
A component frequency of a wave or signal that is an integer multiple of the fundamental frequency.
波的信号中频率为基频整数倍的成分频率
A component frequency of the signal of a wave that is an integer multiple of the fundamental frequency.
在弓弦乐器上,可以在特定弦的谐波系列中演奏而没有基音的音符的位置
The place where, on a bowed string instrument, a note in the harmonic series of a particular string can be played without the fundamental present.
进入由于吸引力而发展出近似球形质量的势能的一类函数之一
One of a class of functions that enter into the development of the potential of a nearly spherical mass due to its attraction.
某人的孩子
One's child.
The second harmonic is twice the frequency of the fundamental tone.
第二谐波的频率是基音的两倍。
用法提示：谐波作为名词，指频率为基频整数倍的音。
The sound wave contains several harmonics that give it a rich timbre.
声波包含多个谐波，使其音色丰富。
用法提示：谐波作为名词，指构成复合声波的泛音成分。
Engineers filter out unwanted harmonics to improve signal quality.
工程师过滤掉不需要的谐波以提高信号质量。
用法提示：谐波作为名词，指电信号中的谐波分量。
overtone 泛指基音上方的任何分音，不一定满足整数倍关系；harmonic 严格指基频整数倍的分音，在非谐波泛音（如钟、锣）中不能互换。
partial 是复合音中的单个频率分量，既含整数倍分音也含非整数倍分音；harmonic 只指其中整数倍的分音，因此二者是近义而非等义。
二次谐波
The second harmonic has twice the frequency of the fundamental.
二次谐波的频率是基频的两倍。
三次谐波
The third harmonic is often filtered out in audio amplifiers.
音频放大器中通常滤除三次谐波。
球谐函数
Spherical harmonics are widely used in quantum mechanics.
球谐函数在量子力学中被广泛使用。
奇次谐波
Odd harmonics give the sound its characteristic edge.
奇次谐波赋予声音特有的尖锐感。
偶次谐波
Even harmonics are less common in this type of distortion.
这类失真中偶次谐波不太常见。
高次谐波
Higher harmonics gradually lose energy and amplitude.
高次谐波的能量和振幅逐渐衰减。
前缀: 无；词根: harmon-（和谐，和声）；后缀: -ic（形容词/名词后缀）。同根词: harmony, harmonious, harmonize；同后缀词: basic, organic, specific。
谐波是频率为基频整数倍的成分，频率是描述波和声的核心概念。
谐波与基频密切相关，基频决定音高，谐波是基频的整数倍。
谐波与共振有关，物体以固有频率振动时会产生谐波。
谐波是振动中的频率成分，振动产生声波并决定音色。
谐波的组成方式影响声音的音色，是区分不同乐器声音的重要因素。
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