铱星数据系统故障情况下的4D/15位置汇报仅要求在（）阶段实施。For 4D/15 position report under the
condition of IRIDIUM satellite data system failure，this requirement shall be conducted during （） stage only.

判断正误True or False: 如果液压系统1和2故障，内侧和外侧飞行扰流板不工作。If hydraulic system 1 and 2 fails, inboard and outboard Flight Spoilers are inoperative.

判断正误 True or False: 如果液压系统1和2故障，内侧和外侧扰流副翼不工作。If hydraulic system 1 and 2 fails, inboard and outboard Spoilerons are inoperative.

判断正误 True or False: 如果液压系统1和2故障，左右反推不工作If hydraulic system 1 and 2 fails, L and R Thrust Reverser are inoperative.

判断正误True or False: 如果液压系统2和3低压，前起落架不能放下。 If hydraulic system 2 and 3 LO PRESS, the nosegear will not extend.

判断正误 True or False: 如果液压系统3 低压，内侧地面扰流板不工作。If hydraulic system 3 low pressure, inboard ground spoilers are inoperative

判断正误 True or False: 如果液压系统3低压，起落架正常放出不工作。If hydraulic system 3 low pressure, landing gear normal extension is inoperative.

判断正误 True or False: 如果液压系统3低压，前轮转弯不工作。If hydraulic system 3 low pressure，N/W steering is inoperative.

判断正误True or False: 液压系统3低压, 内侧刹车不工作（一旦系统 3 蓄压瓶压力耗尽）。When hydraulic system 3 low pressure, inboard Brakes will be inoperative once system 3 accumulator pressure is depleted.

判断正误True or False:液压系统3低压，停留刹车不工作（一旦系统 3 蓄压瓶压力耗尽）。Hydraulic system 3 low pressure, Parking Brake will be inoperative once system 3 accumulator pressure is depleted.

仅有应急电源时,（ ）不可用。 When on emergency power only,（ ）are not available.