This is the 9387th most frequent Russian word.
техническое
"Technical."
Here, "техническое" is used as an adjective ('technical') describing 'сложности' ('difficulties'), referring to issues related to technology or equipment.
У нас возникли технические сложности во время презентации.
We encountered technical difficulties during the presentation.
In this sentence, "техническое" modifies 'обслуживание' ('maintenance'), indicating a process related to the upkeep of machinery or systems.
Техническое обслуживание оборудования проводится каждый месяц.
Technical maintenance of the equipment is performed every month.
"Техническое" here is an adjective describing 'характеристики' ('characteristics'), focusing on aspects concerning engineering or technical specifications.