江南双季稻  double cropping rice in the middle Yangtze River Valley

双季稻  double-harvest rice; double paddy rice; double season rice; double cropping rice; double-cropping rice; double harvest rice; double-season rice; double-crop rice; double-rice system; Double-cropped rice; the double cropping rice

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

冬季稻田  winter paddy field

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IP双线路  double IP double line

双MCU双频网络节点  node with double MCU and double frequency

双季铵碘  biquaternary ammonium iodine