次世代可允许飞机采取被称国持续降落进场（CDA）的动作，从而事实上关闭引擎，节约燃料，减少污染物排放。
NextGen will allow planes to make what is called a continuous-descent approach (CDA), essentially letting them turn off their engines, saving tons of fuel and reducing pollutants.
F - 35c是专为美国海军设计的，采用了更大的机翼以携带更多的燃油并保证在航空母舰上更好的低速降落进场特性。
The F-35C, designed for the US Navy, features larger wings to carry more fuel and provide better low-speed landing approach characteristics to an aircraft carrier.
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