Ordinarily, before a new aircraft can be mass-produced, a scale model must be tested in a wind tunnel. But this routine was bypassed for the new Boeing 777.
一般飛機在量產以前，都必須先製作與成品同比例大小的原型機，在風洞進行各種測試，但最近該公司推出的七七七客機卻成功地打破了這個慣例。