歼-20的隐身性能并非秘密，主要核心在于精妙的外形设计，贡献率高达80%-90%。歼-20采用了独特的“S”形或“蚌式”进气道，有效遮挡发动机风扇，大幅减少正面雷达反射。

在台海、南海等潜在热点区域，歼-20凭借其隐身优势，可以前出刺探、甚至穿透敌方防空网，为后续的导弹打击“敲掉”关键节点（如预警机、加油机）。这将极大压缩美国航母编队等传统力量投射方式的生存空间和行动自由。

Fans of true-crime stories are most likely dedicated viewers of both 20/20 and Dateline, two similar shows that both air on Friday nights (on ABC and NBC, respectively). The two long-running news ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. ABC’s news program 20/20 is now in its 46th season, ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Prolonged screen time has become a part of today’s digital era. Eyes are being glued to screens more than ever, and this is leading to increased eye-related issues. Laptops and smartphones leave the ...