信息安全 信息系统安全防护技术 释文 spiral track 螺旋磁道
- Nationalist Army
- nationalist historiography
- Nationalist League
- Nationalist Literature and Art
- nationality jurisdiction
- Nationality Pictorial
- nationality politics
- nationality tax jurisdiction
- nationalization, expropriation and compensation
- Nationalization of Mexican Oil
- Nationalization of Mineral Resources in Bolivia
- Nationalization of Oil of Venezuela
- national key archives protection and development project
- national key ecological function area
- national key protected wild animal
- National Key Scientific Instrument Development Program
- National Knowledge Resources Database Project
- National Kwangtung Higher Teacher School
- National Labor Relations Act
- National Labor Relations Board
- National Labor Union
- National Land Day
- national landscaping and gardening movement
- National Language
- national language capacity