preservation

• Its use is limited to the preservation of breeding material or the establishment of clonal seed orchards .
  其用途仅限于保持育种材料或建立无性系种子园。
• However , the preservation condition is not good
  Sn型蒸汽机车的保存状况很不好。
• Please placed in the shade , ventilation , preservation
  请置于阴凉、通风处保存。
• Cultivation , preservation and staining of free - living amoeba
  保种和染色的再观察
• Study on coating preservation of fresh - cut fuji apples
  鲜切富士苹果涂膜保鲜研究
• The paintings were in an excellent state of preservation
  这些画保存的非常好。
• International day for the preservation of the ozone layer
  月16日国际臭氧层保护日
• Heat preservation and heating of soil lawn , greenbelt
  足球场草坪公共绿地土壤保温
• Study on tomatoes preservation with aloe juice film coating
  芦荟汁保鲜番茄的研究
• The preservation of files for their intended purpose
  按文件的预定要求保存文件。