很多操作只能依靠鼠标完成，shift ，ctrl这些常用快捷键 基本用不上
Please check https://easyeda.com/Doc/Tutorial/introduction.htm#Hotkeys out
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Brand new interactions and interfaces.
Smooth support for design sizes of over 3W
devices or 10W pads.
More rigorous design constraints, more
standardized processes
For enterprises, more professional users.
Easy to use and quick to get started.
The process supports design scales of 300
devices or 1000 pads.
Supports simple circuit simulation.
For students, teachers, creators.
Brand new interactions and interfaces. 
Easy to use and quick to get started. 
Please check https://easyeda.com/Doc/Tutorial/introduction.htm#Hotkeys out