Here are a few options for the description of the WordPress post_tag “聲波頻率” (acoustic frequency) in Traditional Chinese, ranging in detail, based on your needs:

**Option 1: Concise & Direct (Best for general use)**

* **Description:** 定義聲音的音高，以赫茲 (Hz) 為單位測量。 (Defines the pitch of a sound, measured in Hertz (Hz).)

**Option 2: Slightly More Detailed**

* **Description:** 指聲波每秒振動的次數，影響我們聽到的音高。 了解不同頻率如何影響聲音的特性。 (Refers to the number of vibrations per second of a sound wave, affecting the pitch we hear. Understand how different frequencies influence sound characteristics.)

**Option 3: Technical & Explanatory**

* **Description:** 聲波頻率 (acoustic frequency) 是聲音的物理特性，表示聲波在一秒內振動的週期數，以赫茲 (Hz) 衡量。它決定了聲音的音調高低、諧波組成，並影響著聲音的音質，也被用於音頻處理、音樂製作和聲學研究等領域。 (Acoustic frequency is a physical characteristic of sound, representing the number of cycles of vibration of a sound wave per second, measured in Hertz (Hz). It determines the pitch and harmonic composition of a sound and influences the timbre of the sound. It is also used in areas such as audio processing, music production, and acoustics research.)

**Option 4: Focus on Relevance (If related to your website’s content)**

* **Description:** 探討聲音頻率在 [Your Website Topic – e.g., 音樂創作, 自然界, 科技應用] 中的重要性。 包括頻率與音符、環境噪音的關係等等。 (Explores the importance of sound frequency in [Your Website Topic – e.g., Music creation, Nature, Technological Applications]. Includes the relationship between frequency and musical notes, environmental noise, etc.)

**Key Considerations when choosing your description:**

* **Your Target Audience:** Are they technical experts, or a more general audience?
* **Your Website’s Content:** What kind of posts will use this tag? The description should be relevant to the content.
* **SEO (Search Engine Optimization):** While tag descriptions aren’t the highest priority for SEO, keep them concise and use relevant keywords that people might search for related to “acoustic frequency”.

Remember to paste your chosen description into the **Description** field within the WordPress tag editor for “聲波頻率”. Choose the description that best suits the context of your website and the posts you are tagging.