的工作单位属国防科研单位，保密要求高，办公大楼由武警把守，非上班时间进入一律要在大楼门口登记，签姓名标时间写加班理由，还要抵押工作证。离开大楼时要注明是几点几分离开的，然后才能领回工作证。无论晚上还是周末，大楼门口总是门庭若市，进楼者络绎不绝，瞧登记理由 The work unit is a national defense scientific research unit, confidentiality requirements, office buildings armed police guard, non-working hours to enter the building door registration, sign the name of the time to write overtime reasons, but also mortgage work permit. Leave the building to indicate when to leave a few points, and then can receive a work permit. Whether at night or on weekends, the entrance to the building is always a mecca, an endless stream of entering the building, look at the reasons for registration