江南双季稻
double cropping rice in the middle Yangtze River Valley
双季稻复种连作
Double-rice multiple continuouscropping
双季稻复种轮作
Double-rice multiple cropping rotation
双季稻区
double rice cropping system
double rice cropping area
double rice regions
double cropping rice area
double-rice region
双季稻种植区
double rice cropping area
湘赣双季稻
Double cropping rice in Hunan and Jiangxi
不对称双季铵盐
dissymmetric bisquaternary ammonium salt
单分子双季铵盐
organic diammonium compound
氟化双季铵盐
Fluorinated bis-ammonium salt
高产双季晚粳
Double-season late japonica rice with high yield
华南双季超级稻
South-China double cropping super rice
甲基丙烯酸酯基双季铵盐
methacrylate divalent quaternary ammonium dibromide
咪唑啉双季铵盐
Gemini imidazoline quaternary ammonium salt
gemini-imidazoline quaternary ammonium salt
手性双季铵盐
Chiral bis quaternary ammonium salt
chiral diquaternary amm onium salts
双MCU双频网络节点
node with double MCU and double frequency
双季铵碘
biquaternary ammonium iodine