The phrase "developed extensively" is correct and usable in written English.
You can use it when referring to something that has been thoroughly explored or studied. For example, "The field of artificial intelligence has been developed extensively over the last decade."
Settlement was spurred along its course by the arrival of the Northern Pacific Railway in the early 1880s, and the river was developed extensively for irrigation.
Some 370 square miles (958 square km) in area, it is developed extensively for fuel for power stations; the cutover land is used for grazing.
Pyrite cements developed extensively in the northern zone of the Minfeng Sag.
This theory was developed extensively in the 1950s by many scholars.
From then on, chaos synchronization has been developed extensively due to its various applications [3].
Based on the mentioned impact, it was developed extensively by several researchers.
Because it did not develop extensively until the late 19th century, Łódź has a modern industrial appearance and very few distinguished or attractive buildings.
The connective tissue and muscles subsequently develop extensively with the amounts of these two tissues relative to the epithelium reaching much higher levels after metamorphosis.
Patients who start but do not complete MDR-TB treatment are likely to die or may develop extensively drug resistant TB (XDR-TB), which is considered to be virtually untreatable and a serious public health threat worldwide [ 5- 7].
The pyramidal neurons in layer 2/3 of the barrel cortex are known to be developing extensively during the period of the sensory deprivation in this study, both in terms of their cellular morphology and their synaptic connectivity.
He showed that many of the highly generalized spaces that were developed so extensively in 20th-century mathematics can be developed from elementary components, dimension by dimension.
