Dielectric elastomers ( DEs ) are smart material systems that produce large strains .
Dielectric elastomers ( DEs ) are smart material systems which produce large strains .
Dielectric elastomers ( DEs ) are smart material systems which produce large strains .
用不同的措辞重写句子: Dielectric elastomers ( DEs ) are smart material systems that produce large strains . 输出: