Public Timelines

For companies For educational institutions For teachers For students Dashboard

For educational institutions For teachers For students Dashboard

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

dec 1, 2009 - 中国民航大学李卫民副教授在国内外首次提出“低空经济”概念

Description:

2009年，“中国通用航空发展研究”课题一次研讨会上，中国民航大学李卫民副教授首次提出“低空经济”这一概念术语。

Added to timeline:

低空经济

ByXIAOJIN HUANG

6 months ago

0

0

75

Date:

dec 1, 2009

Now

~ 16 years ago

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL