Complex sentence: To enable targets to be engaged under day and night conditions when the BMPT is stationary or moving, a computerized fire-control system is fitted, which uses proven elements from that fitted to the T-90S series MBT.
Split into simpler sentences: To enable targets to be engaged under day and night conditions when the BMPT is stationary or moving, a computerized fire-control system is fitted. It uses proven elements from those fitted to the T-90S series MBT.