“balance of trade”的概念、定义、翻译、参考文献-科学参考

单词	balance of trade
释义	balance of trade Encyclopedia 理学【对外贸易及投资】释 balance of trade进出口贸易差额一国在一定时期内出口总额与进口总额之间的差值，是货物进出口贸易差额和服务进出口贸易差额的合计。
随便看	ground support vehicle ground tea ground term ground test and launch control system ground test for separation system under thermal circumstance ground test of airborne weapon fire control system ground timing system ground tissue ground treatment ground treatment in mountain area ground trial ground vibration test for stores installed on aircraft groundwater ground water activity on Mars groundwater age groundwater available yield groundwater balance ground water chemical monitoring groundwater collecting structure groundwater contaminants groundwater contamination groundwater contamination survey groundwater control groundwater corrosivity on concrete groundwater corrosivity on steel

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