feat: 初始提交 - 电子元器件需求发布与资源查询平台全景调研报告

- README.md: 完整调研报告，涵盖国内/东南亚/欧美平台、ERP系统、即时通讯渠道等
- research_notes/: 调研过程中的原始笔记和数据
  - reference_site_info.md: 参考网站 elec.hao.work 分析
  - channel_analysis.md: 采购渠道分析
  - top50_distributors.md: 2025全球前50大分销商列表

research_notes/top50_distributors.md

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+# 2025年全球前50大电子元器件分销商
+
+1. Arrow Electronics, Inc.
+2. WPG Americas Inc.
+3. Avnet
+4. Wesco
+5. TTI, Inc., Consolidated (含TTI, Mouser Electronics, Sager Electronics, RFMW)
+6. Future Electronics
+7. DigiKey
+8. Smith
+9. NewPower Worldwide
+10. Newark Farnell
+11. Heilind Electronics
+12. Master Electronics
+13. Win Source Electronics
+14. FDH Electronics
+15. Bisco Industries
+16. RS Americas
+17. Rochester Electronics, LLC
+18. Transfer Multisort Elektronik (TME) - 欧洲
+19. Powell Electronics
+20. PEI-Genesis
+21. Shenzhen Unibetter Technology Co.,Ltd. - 中国深圳
+22. Shenzhen Shengyu Electronics Technology Limited - 中国深圳
+23. Richardson Electronics, Ltd.
+24a. Rand Technology
+24b. ARS Electronics Company Ltd.
+25. Chip 1 Exchange
+26. Galco Industrial Electronics
+27. Astute Electronics Ltd.
+28a. Flyking Technology Co., Ltd.
+28b. Alantys Technology
+29. ICSOLE TECHNOLOGY LIMITED
+30. Cytech Systems Limited
+31. Flame Enterprises
+32. ÖZDİSAN ELEKTRONİK A.S. - 土耳其
+33. Hughes-Peters
+34. Marsh Electronics
+35. Flip Electronics
+36. Ample Solutions
+37. Steven Engineering
+38. Rebound Group - 欧洲
+39. Anglia Components Plc - 英国
+40. All Tech Electronics, Inc.
+41. Classic Components Corporation
+42. Brevan Electronics
+43. Falcon Electronics
+44. Air Electro Inc.
+45. Area51 Electronics
+46. IBS Electronics
+47. NASCO AEROSPACE & ELECTRONICS
+48. THJ(HK) TECHNOLOGY LIMITED - 香港
+49. Freedom USA
+50. Supreme Components International Pte Ltd - 新加坡
+
+## 值得关注的分销商
+- A2 Global
+- ASAP Semi
+- Direct Components
+- MEV Elektronik Service GmbH - 德国
+- Sourceability