An idealized model of a string is a single longchain of molecules.
绳子的理想模型是一长串单个分子的系列。
2
These are chemicals with short molecules which can join together to form the longchainmolecules of nylon.
已二胺和已二酸的短分子可以连接起来形成尼龙的长链分子。
3
Because of the longchain molecular structure of rubber and the weak secondary force between molecules, the rubber material has a unique viscoelastic property, so it has a good effect.