trifold

n.

三倍数，三个一组；

adj.

三倍的；

v.

增至三倍；

Dilatation catheter with tri-fold balloon
Trifold Tellurium One-Dimensional Nanostructures and Their Formation Mechanism
A Short Synthesis of a Trifold Orthogonally Protected, Novel Aminoazepanol Building Block
The Trifold Display Board: A visual and Portable Way to Present Physical Education Class Information
25.1: Tri‐Fold Flexible AMOLED with High Barrier Passivation Layers
Tri-Fold Transformation: An International Adult Student's Reflections on Online Learning.
Self-Sustained, Independent Trifold Solar Energy Conversion System for Isolated Locations in Hot Climate Areas
Tri-Fold Deployable Reflector for Communication Satellites
A Trifold Lens: Cultivating a Global Health Mindset in Baccalaureate Nursing Students
Controlled solvothermal synthesis of single-crystal tellurium nanowires, nanotubes and trifold structures and their photoelectrical ...