set square

n.

三角板；

Set square
Set square
Set-square
Virginia City, Nevada
Fractal -- from Wolfram MathWorld Fractal -- from Wolfram MathWorld
Set-squareconnecting structure for right-angle connections of metal sections for door- and window casings, frames and the like
Switching properties of a partially set square-loop ferrite core
Vertical Set Square Distance: A Fast and Scalable Technique to Compute Total Variation in Large Datasets
Vertical Set Square Distance Based Clustering without Prior Knowledge of K
The method of how to determine threshold value of set-square-difference in CABOSFV algorithm
THE BENDING OF SET SQUARE WITH THREE CLAMPED EDGES UNDER A CONCENTRATED BENDING MOMENT
A 45° Set Square Method for Accurate Needle Insertion in Ultrasound-guided Internal Jugular Venous Catheterization
Receptacle for a set square and sheet material for making such a receptacle