You can Export a list of your SAP HANA systems from your “SAP HANA Studio” or you can Import a list of SAP HANA systems to your “SAP HANA Studio” easily with following steps…
Open your SAP HANA Studio and start the export operation with following steps ;

SAP HANA Studio –> File –> Export

Find the “Landscape” option from the selection tree and click it;

SAP HANA –> Landscape 

Continue with Next

Complete the process with Finish 

Now you can use landscape.xml file to transfer all your defined “SAP HANA Systems” to another SAP HANA Studio

To complete this step, you can follow the below import steps

SAP HANA Studio –> File –> Import

Find the “Landscape” option from the selection tree and click it;

SAP HANA –> Landscape 

Specify the landscape.xml file you have already exported to import new SAP HANA Studio

Continue with Next

Completed the process with Finish 

Now all exported systems should be imported to new SAP HANA Studio