incompressible-fluid-equations
《incompressible-fluid-equations》 · 第 270 页 · Chapter 21「Parameter Spaces and Moduli Spaces」
The image is then called the open Chow variety of subvarieties of dimension $k$ and degree $d$ in $\mathbb P^n$ and is denoted $C_{k,d}=C_{k,d}(\mathbb P^n)$ (the closure $\overline C_{k,d}$ of $C_{k,d}$ is called simply the Chow variety).