挠度变形观测
deflection deformation survey
Winkler小挠度薄板理论
winkler elastic thin plate theory
荷载一挠度理论曲线
theoreticalload-deformation curve
荷载-挠度关系曲线
curve of relationship between load and deflection
荷载—挠度关系
load-deflection relationship
荷载-挠度关系
load-deflection relationship
光电挠度测量系统
optoelectronic deflection measurement system
Opto-electronic Deflection Measurement System