| TD | the time required to double the number of cells in a given population; thermal death time |
|---|---|
| UNFPA | United Nations Population Fund |
| ZPG | zero population growth |
| PNE | Practical Nurse's Education; Áذ£È£»ç±³À°(ñÞÊ×ûÞÞÔÎçëÀ) |
| AAAHE | American Association for the Advancement of Health Education |
| PMP | per million population |
|---|---|
| PDL | population doubling level |
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