生理盐水有什么作用
 | ? ??? ??? ????? ?????. ??? ?? ????? ???? ??? ?? ???? ????, ??? ??? ???? ??? ?? ? ????. ??? ??? ??? ???? ???. ??? ??? ??? ?? ???? ????? ????. |
| ?? |
|---|
| ?? |
| ?? |
??????? ??? ???, ??? ???? ???? ???? ???? ????. ?, ???? ?? ???? ?? ????? ??? ? ?? ???? ????. ??? ???? ????, ???? ??? ??? ????? ???.
??? ????? ????? ??? ??? ????.
- ???? ???? ?? ??? ??
- ???? ????? ??? ??
?? ????? ? ????? ???? ??? ????? ????.[1] ???, ?? ?? ???? ??? ??? ?? ??? ???? ???? ??? ???? ? ??? ????. ??? ????? ??????? ???, ???? ????? ????. ?? ???, ???? ????? ???? ? ?? ????? ?? ????.
?? ????? ???, 1930? 1? 1? ??? ???? ??? ?? ????, ???? ????.
??????? ??? ???
[??]???? ??? ???
[??]- ?????, ??·??·??·??·?? ? ??
- ?????, ?? ?? ??????? ??·??·?? ? ?? ?? ??? ?
- ?????, ??? ??·??·?? ? ???? ?????? ? ?? ?? ??? ??? ?? ??·?? ?
- ?????, ?? ?? ??????? ??? ???? ?1? ?? ?3?? ??? ?? ??? ?? ???
- ?????? ???, ??? ??? ??? ???? (??, ??? ??? ??? ????? ?? ??? ??? ??, ???? ????, ??, ?? ?? ?? ???? ??? ???? ??? ?? ?????? ?? ?? ?????)
???? ????? ??? ???
[??]- ????? ?????? ??? ???? ???? ?? ?? ? ?? ? 70??? ????? ???? ??? ???? ?????. ??? ?? ??? ????? ?? ? ?? ? 1.1?? ?????. (A? 1999.7.1.? ??? 2000.1.1.?? ???? 2070.1.1 0?=2069.12.31 24??? ???? ???.)
- ??? ???? ?? ? 70?. ?? ???? ?? ? 70?. ????? ?? ??(?? ? ???? ???)
- ?? ???? ?? ?? ? 70?.(2003.5.27 ??)
2013? 1? 1? ?? ??? ???? ?? 1986??? ??? ???? ?? ??? ?? ???, ?? ??? 50??? ?????. ?? ???? ?? ??? ??? ???? ???? ???? ????. ? 1962? ? ??? ??? ??????, ???, ?? ???? ??? ?? ??? ??????.
?????? ?? ??? ?? ? ??? ??? ???? ???? ? ????? ?? 70???, ??? ?? 50?? ?????. ??? ??? 1987? 7? 1??? 1994? 6? 30? ??? ??? ?????? ????? ?????? ?????, ?? ??? 50??? ?? ????. (????? ?? ?? ??? 1987? 7? 1??? ?? ??? ?????? ??? 20?? ????, ?????? ???? ?? ???????.)
1987? ??? ???? ??
[??]- ???? ???? ???? ?? ? ?? 30? ???????. ?????? ??? ?? ? 10?.(? ??/?????? ??? ??? ??? ???? ?????) ??? 1986? ????? ?? ??(87.7.1. ??)?????. ??? ???? ???? ??? ??? ?? ?????.
- 1987.7.1? ???? 1956???? ????? ????? 1956??? ????? ???? ??????? ??? ???? ???.
- 1987.7.1? ???? 1956???? ????? ???? ???? 1956??? 1986?? ? ? ?? ?????.
- ?? ??? ??? ???? ??, 1956? ?? ???? ??(56? ??)? ???? ??????? ??? ???? ???.
- ?? ??? ????? ???? ???? ?? ? 30?? ?? ??? ???? ???.
????? ??? ???
[??]- EN:Wikipedia:Image copyright tags/Public domain ??
- (??) Copyright Term and the Public Domain in the United States, 2010.1. ??
?????????? ??? ???
[??]?? ?? ?? ??? ?? ???? ????? ??? ??? ?? ????????? ??? ???? ???? ??? ????.
- ????? ??? ?? 50?? ??
- ??? ???? ?? ? 50?? ??
????? ??? ???
[??]??? ???? ???? ? ?? ????? ???? ??? ????. ????? 1908. 8. 16. ????? ?????. ?? ????? ??(依用)??? ?? ???? ??? ???? ????? ? ? ????. 1910? "????? ???? ???? ? ?? ?"(?? 338?)? ?? ???? ???? ?????. ??? ???? ??? 1957.1.28.?? ?? ????? ???????. ?, 1908.8.16~ 1957.1.28?? ?????? ??? ???? ?? ?? ????? ??? ? ????. ??, ??? ??(Commons:Commons:Licensing)? ??? ?? ????? 1956.12.31??? ??? ?????? ???? ???? ???.
??? ????? ??? ????? ??? ?? ??
[??]????? ???? ??? ???? ???? ??? ???? ???? ??? ????. ???, ?? ?????? ??? ?? ???? ?? ????? ??? ???? ?? ?????. ??? ?? ????? ?? ??? ???? ?? ?? ? ????.
??
[??]? ??
[??]?? ??
[??]- Copyright Term and the Public Domain in the United States by Peter Hirtle.
- Sound Recordings and Copyright in the UK. A guide for those engaged in the restoration of public domain sound recordings.
- Collection of National Copyright Laws by the UNESCO.
- Collection of Laws for Electronic Access (CLEA) from the WIPO.
- Copyright laws of ASEAN countries.
- Copyright laws of countries that formerly were part of the Soviet Union.
- International Copyright Relations of the U.S. – Circular 38a of the U.S. Copyright Office.
- Copyright guidelines from the University of Chicago Press.
- The copyright status of the works of James Joyce. Illustrates some of the complications that may arise.
- Gorman, R.: Copyright Law, 2nd ed. U.S. Federal Judicial Center, June 19, 2006. URL last accessed 2025-08-08.
- On-line database for copyright registrations and renewals in the U.S. since 1978
- TIFF scans of the registry of the U.S. Copyright Office 1950 - 1977, with a bias towards books.
- digitized versions of the registry of the U.S. Copyright Office 1950 - 1977, with a bias towards books, hosted by Project Gutenberg.
- Searchable database of the digitized copyright renewal records for books.