sketchpad

n.

画板，略图，草图；

复数：sketchpads

Sketchpad, a Man-Machine Graphical Communication ...
Sketchpad: A man-machine graphical communication system (Outstanding dissertations in the computer sciences)
Sketchpad, A Man-Machine Graphical Communication System
Sketchpad : A Man-Machine Graphical Communication System , Unclassified
TopDraw: a sketchpad for protein structure topology cartoons.
The Geometer''s Sketchpad
Hyperscore: A Graphical Sketchpad for Novice Composers
The relationship between visuospatial sketchpad capacity and children's mathematical skills
On-line processing of textual illustrations in the visuospatial sketchpad: evidence from dual-task studies.
Hyperscore: A Graphical Sketchpad for Novice Composers