Avionics forms an important part of the defence industry.航空电子技术是国防工业的一个重要组成部分。The defence industry relies heavily on sales of weapons to foreign countries.国防工业严重依赖向外国出售武器。Jobs could be lost in the defence industry due to political changes sweeping Europe.受横扫欧洲的政治变革影响，国防工业领域有些人可能会失业。