·2,447,543篇论文数据，部分数据来源于NoteExpress
"The tests conducted so far by the GPS industry did not take into account the GPS modernization plan that is in place, " said Dr. Ashjaee.
ENGADGET: LightSquared proposes 'simple, affordable solution' to that pesky GPS interference issue
应用推荐
模块上移
模块下移
不移动