求翻译：国内研究也分为三种类型：人民币汇率变动对贸易收支影响显著；汇率变动对贸易收支几无影响；影响甚微。是什么意思？

Domestic research is also divided into three types: the RMB exchange rate changes on the trade balance significantly; exchange rate changes had little effect on the trade balance; impact is negligible.

Internal research and are divided into 3 categories: changes in the Renminbi exchange rate significantly affects the balance of trade; exchange rate movements on the balance of trade; very little impact.

The domestic research also divides into three kind of types: The Renminbi exchange rate change is remarkable to the trade revenue and expenditure influence; The exchange rate change several does not have the influence to the trade revenue and expenditure; Influence really micro.

National research is also divided into three types: influence of RMB exchange rate on trade balance significantly; few effects of exchange rate movements on trade balance; very little.

正在翻译，请等待...