Furthermore, high-occupancy areas within buildings must be designed to fully protect occupants against the direct impact of a 122 mm rocket and to prevent penetration of rocket fragments from the strike of a 240 mm rocket.
此外，建筑物内高密度占用区的设计，必须充分保护使用人免遭122毫米火箭的直接命中，并能防止240毫米火箭弹片穿透。