variable interpolation造句

Enclosing a string in single quotes prevents variable interpolation.
This is roughly analogous to the Bourne shell's variable interpolation with $ inside double quotes.
As with other string literals, these can sometimes have different behavior specified, such as variable interpolation.
One subset of numerical methods are Meshfree methods, which are defined as methods for which " a predefined mesh is not necessary, at least in field variable interpolation ".
One of the oldest examples is in shell scripts, where single quotes indicate a raw string or " literal string ", while double quotes have escape sequences and variable interpolation.
It's difficult to find variable interpolation in a sentence. 用variable interpolation造句挺难的