The two countries launched the annual joint military exercise.

这两个国家举行了年度联合军事演习。

The country announced that it would conduct military exercises.

该国宣布要举行军事演习。

A military exercise is the employment of military resources in training for military operations.

军事演习是利用军事资源为开展军事行动进行训练。

来源：同文世纪翻译，转载请注明出处！