harmonic

1. Nerve fibers and collagen are blue ( third harmonic ) and grey ( second harmonic ) , respectively .

神经纤维和胶原分别呈蓝色（第三谐波）和灰色（第二谐波）。

2. Music is most likely to tingle the spine , in short , when it includes surprises in volume , timbre and harmonic pattern .

简而言之，当音乐的音量、音色或和声发生出人意料的变化时，最有可能令人脊柱发麻。

3. But the frequencies have a special harmonic relationship , which is why you hear it as a single sound with a single pitch .

但是这些频率之间有着特殊的谐波关系，这就是为什么你只会听到只有单一音调的一个声音。

4. Although the harmonic techniques of the symphony were only moderately removed from 19th-century techniques , soviet authorities were displeased at the acid sarcasm they heard beneath the first movement 's jubilant surface .

虽然交响曲中的和声技法仅仅是适当地去除了19世纪的技法，然而当苏维埃统治者们从第一乐章欢快的表层中听出尖酸刻薄的讽刺时，他们相当不愉快。

5. Unfortunately , the forces caused by the secondary harmonic remain out of kilter as a result of the pistons having to accelerate and decelerate faster in the upper half of the cylinders than in the lower half .

不幸的是，由二次谐波引起的力仍处于失衡状态，从而导致活塞不可避免地在引擎的上半部分比它们在下半部分更快的加速和减速。

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