Here are a few options for the WordPress post tag description, catering to different focuses:

**Option 1 (Concise & Direct):**

> 探索夜視技術 (Tānsuǒ yèshì jìshù) – 涵蓋夜視攝影、夜間觀測、及相關應用。 (Han gai yèshì shèyǐng, yèjian guance, jí xiāngguān yìngyòng.)
> Exploration of night vision technology – covering night vision photography, nighttime observation, and related applications.

* **Focus:** Briefly introduces the topic and includes key areas covered.

**Option 2 (More Descriptive):**

> 深入了解夜視 (Shēnrù liǎojiě yèshì), 包括夜視設備、科技原理、及在不同情境下的應用，如保安、軍事及天文觀測。(Shēnrù liǎojiě yèshì, bāokuò yèshì shèbèi, kējì yuánlǐ, jí zài bùtóng qíngjìng xià de yìngyòng, rú bǎo’ān, jūnshì jí tiānwén guāncè.)
> Delve into understanding night vision, including night vision devices, technological principles, and applications in different scenarios such as security, military, and astronomical observation.

* **Focus:** Provides more details and examples, highlighting the practical applications.

**Option 3 (Enthusiastic & Broad):**

> 揭開夜視的神秘面紗 (Jiēkāi yèshì de shénmì miànshā)！在這裡，你將發現關於夜視的一切，從基礎知識到最新科技，帶你體驗夜晚的神奇世界！ (Zài zhèlǐ, nǐ jiāng fāxiàn guānyú yèshì de yīqiè, cóng jīchǔ zhīshì dào zuìxīn kējì, dài nǐ tǐyàn yèwǎn de shénqí shìjiè!)
> Unveiling the mystery of night vision! Here, you’ll discover everything about night vision, from basic knowledge to the latest technology, taking you to experience the magical world of the night!

* **Focus:** Creates excitement and is appropriate if the website’s voice is more friendly or engaging.

**Option 4 (Simple and SEO-focused):**

> 夜視, 夜視攝影, 夜間觀測, 軍事科技, 安防監控 (Yèshì, yèshì shèyǐng, yèjiān guāncè, jūnshì kējì, ānfáng jiānkòng)
> Night vision, night vision photography, nighttime observation, military technology, security monitoring

* **Focus:** Keywords for SEO (Search Engine Optimization), useful if your goal is to attract search traffic.

**How to choose the best option:**

* **Your Website’s Tone:** Consider whether your website’s tone is formal, friendly, technical, or something else.
* **Your Audience:** What kind of audience are you trying to reach? Are they beginners, tech enthusiasts, or professionals?
* **Your Content:** Does your website contain content that focuses on Night Vision technology, techniques, applications, photography, or anything else related to the subject?

**To input the description into WordPress:**

1. **Go to the “Tags” section:** Usually found under “Posts” in your WordPress admin panel.
2. **Find the “夜視” tag**: Click on the tag if it’s already created, or click “Add New” to create it.
3. **Look for “Description” field**: There should be a field labelled “Description” or something similar. If you don’t see it, check “Screen Options” at the top right of your WordPress admin panel and make sure “Description” is checked.
4. **Paste your chosen text** into the description field.
5. **Make sure to “Save” or “Update”** the tag.

Choose the option that best suits your needs and your website’s goals! Good luck!