To ensure the accuracy and reliability of the laser rangefinder, it is necessary to calibrate it regularly. 摘要为保证激光测距仪的精度和可靠性，必须要对它进行定期检定。
This includes a laser rangefinder coupled to a ballistic computer linked to the sights to ensure that the user aims the weapon accurately. 这包括一个与视线关联确保用户将武器正确瞄准目标并跟弹道计算机配对的激光测距仪。
