单目3D初始代码

docs/en/reference/__init__.md

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+---
+description: Learn how Ultralytics uses lazy imports with __getattr__ to speed up package startup and load model classes like YOLO, NAS, RTDETR, and SAM only when needed.
+keywords: Ultralytics, YOLO, lazy import, __getattr__, NAS, RTDETR, SAM, FastSAM, YOLOWorld, performance, startup time, optimization
+---
+
+# Reference for `ultralytics/__init__.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/\_\_init\_\_.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/__init__.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing/) — thank you! 🙏
+
+<br>
+
+## ::: ultralytics.__init__.__getattr__
+
+<br><br><hr><br>
+
+## ::: ultralytics.__init__.__dir__
+
+<br><br>