一个例子是在1997年的一次演习期间距离演习区域很远的民用频率受到妨碍。
One example was interfering of civilian frequencies far beyond the exercise zone during an exercise in 1997.
二边也在农业，民用航空，关税，能源，环境，等等的区域中签署意图的一系列的记录和信。
The two sides also signed a series of protocols and letters of intention in the areas of agriculture, civil aviation, customs, energy, environment, etc.
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