These protocols have been put in practice for many years in foreign countries.
这些安全协议在国外已经有比较成熟的应用。
This method was simple but effective, and can be put in practice in other similar food companies.
该方法简单易行，效果显著，可以在其它食品企业推广实施。
Chinas Advertising Agencies System was put in practice in the early 90s.
上世纪九十年代中前期，我国的广告代理制正式推行。
Chinas Advertising Agencies System was put in practice in the early 90s.
上世纪九十年代中前期，我国的广告代理制正式推行。
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