# 设备和应用接入

IoT 的南向能力体现在各类多元异构设备的接入，北向能力则体现在对各种业务系统、应用场景的支撑能力。

![ ](https://hy.hekr.me/iot-docs-test/web/images/%E5%B9%B3%E5%8F%B0%E7%AE%80%E4%BB%8B/%E8%AE%BE%E5%A4%87%E6%8E%A5%E5%85%A5.jpg)

用户只需登录WEB UI，基于其提供的一站式接入能力，编写少量代码，即可快速实现设备上云和应用开发。

![](/files/-MPOGTYCLcdKrZxhqpyu)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://doc.yuncitys.com/ping-tai-jie-shao/she-bei-he-ying-yong-jie-ru.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.