Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison between the real surface area and the measured surface area for flat (a), low curvature (b), and high curvature (c) surfaces (lines represent identities). Computed absolute error for the real surface area and the measuring surface area for flat (d), low curvature (e), and high curvature (f) surfaces (lines represent regression lines).
