Tibetan exegesis has generally seen this passage as referring to the three turnings (though the sutra itself does not use this terminology). The Dhāraṇīśvararāja is also important because it is a key source for the Ratnagotravibhāga, an influential buddha-nature focused treatise.
In Tibetan scholarship, this passage has been traditionally interpreted as referring to the three turnings (although the sutra itself does not use this specific terminology). The Dhāraṇīśvararāja is also significant because it provides essential information for understanding the Ratnagotravibhāga, a seminal work on buddha-nature.