判断正误，即使在机翼前缘和机翼前上表面有少量的霜，冰，雪或雪水，也可能对由失速保护系统提供的失速速度，失速特征以及失速保护产生不利影响，从而可能导致起飞时失去控制。Even small amounts of frost, ice, snow or slush on the wing leading edges and forward upper wing surface may adversely change the stall speeds, stall characteristics and the protection provided by the stall protection system, which may result in loss of control on take-off.

把ENGINES SYNCH开关选择到N1或N2时发动机同步将可用，并且：Engine synchronization is available with the ENGINES SYNCH switch selected to N1 or N2 and the:

速度低于（ ）KIAS，ADG可能不能给AC ESS汇流条供电。At speeds below（）KIAS, the ADG may not be able to power the AC ESS bus.

DC电源系统包括（ ）TRU,功率在（ ）。The DC electrical system includes（ ）TRUs, rated at（ ） .

主要发电机的额定功率是：Main generators are rated at:

哪个DC BUS不是总显示在DC简图页上？Which DC BUS is not always displayed on the DC synoptic page?

正常飞行条件下，ESS TRU2由下列哪个供电？Under normal flight condition, where does ESS TRU 2 receive its power?

ADG放出后，AC ESS BUS可重新建立到正常电源通过：After an ADG deployment, AC ESS BUS power can be re-established to its normal power source by:

整体驱动发电机和APU发电机给飞机AC汇流条以优先顺序供电；给AC BUS 1供电的优先顺序是下列哪个：The Integrated Drive Generators and the APU Generator power the airplane AC busses by a priority system; the switching priority for AC Bus 1 is as follows:

AC BUS 1(2)供电源的优先顺序是：AC BUS 1(2) power source priorities are:

下列哪个描述是正确的？Which of the following statements is true?