维护国家独立和主权完整的英文：
to safeguard national independence and the integrity of sovereignty

safeguard national independence and state sovereignty
维护民族独立和国家主权

It is obligatory for everyone to safeguard our motherland.
保卫祖国人人有责。

What is the solution to safeguarding competition on the Internet?
有什么方案可以保证因特网上的公平竞争

Here is not merely a nation but a teeming nation of nations
这里不仅是一个国家，而是许多国家丰富的总和。

release of nationality
国籍解除; 放弃（脱离）国籍

a tributary nation
进贡国,2. 辅助的,3. 支流的,n.[C]1. 进贡国,附庸国[( to)]2. 进贡者,3. 支流

person of independent means
有自立能力的人

independent task abort dump
独立任务异常结束转储

They worked either in collaboration or independently.
他们要么协作要么独立工作。