The configuration also provides acoustic shielding and, at low speed, increases aircraft lift without a thrust or drag penalty.
该构造还提供声屏蔽，并且在低速下，增加飞机升力的同时没有推力或阻力损失。
2
The 1553b bus system has been widely used in aircraft, so it is necessary to analyze shielding effectiveness of the bus connectors to ensure electromagnetic compatibility of the whole system.