desiring to provide fair and equal competitive opportunities for their civil aircraft activities and for their producers to participate in the expansion of the world civil aircraft market
希望为其民用飞机活动和其生产商参与扩大世界民用飞机市场提供公平和平等的竞争机会
以上为机器翻译结果，长、整句建议使用 人工翻译 。