"has been interconnected" is a correct and usable phrase in written English.
You can use it when you wish to describe a situation where two or more things are linked or combined together in some way. For example, "The online learning system in our school has been interconnected with the administration system, so that teachers can update student records more easily."
Wairau Bar (Te Pokohiwi), a long spit of boulders at the river's mouth, encloses more than 15 lagoons, which had been interconnected by artificial channels before the arrival of Europeans.
The Arab uprisings have been interconnected, as movements inspire and instruct one another, and have reawakened a sense of regional identity and common purpose for a generation too young to remember the heyday of Arab nationalism.
A fundamental issue is the extent to which the different parts of the project have been interconnected in planning and financial terms, with the extra "affordable" homes plus improvements to transport capacity, public realm and a new school all dependent on the sale of the expensive flats.
While Asia and Europe have been interconnected since the beginning of human history, they have been considered independently for thousands of years.
With the rapid development of multimedia techniques, different media networks, such as internet, telecom, and digital TV networks, have been interconnected tightly.
All computer runs made in this study were performed using a computer system called Techila PC-Grid [9]; at TUT there are about 400 desktops computers that have been interconnected in a way that allows computing time demanding tasks to be computed 10 100 times faster than comparing with one only table computer.
For Jordanians, linkage with the West Bank would help unite families and tribes which had been interconnected until 1967.
In the first stages of eukaryotic cell life, the membranes may have been interconnected and attached to the plasma membrane.
