covalent coordination bond
electrovalent coordination bond
coordinate covalent bond
covalent bond
供价键
共价键
共价结合
盖层
共价结合键
共价成健
压电免疫传感器
电子对键
covalent bond cross-link
Covalent bond of dye molecule
covalent bond self-assembly
fullerene sulfur-bridge bond covalent linked tetrathiafulvalene derivative
search and rescue coordination center {= SAR coordination center}