Three aircraft from the RAF's Battle of Britain Memorial Flight - a Lancaster, a Spitfire and a Hurricane - will be followed by two Typhoons and two Tornado GR4s in box formation.

三架曾参加过英国皇家空军不列颠空战纪念飞行的战机----一架兰开斯特式战机，一架喷火式战机和一架飓风战机将率先飞过，两架台风战机和两架旋风-GR4型战机将呈正方形列队飞过。

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Formation of protective films in highly recessed areas such as flanges and box sections provides critical corrosion protection.

电泳漆在非常隐蔽的部位，如翻边以及箱式结构，仍能形成完整的保护膜，从而得到较高的防腐蚀性。

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The structural formation, design and construction features of the steel box girders for Ramp Bridges Z3 and Z4 of Tonghuihe North Road Highway Interchange in Beijing are described.

介绍北京通惠河北路道路立交中的Z 3、Z 4匝道桥钢箱梁的构造、设计和施工特点。

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The rebound lasted about three weeks (see red box), and formed a very-short-term flag formation.

FORBES: Profit from Flag Formations

He has described it as the legislative equivalent for his Republican colleagues on Capitol Hill as a box canyon, meaning the sort of naturally occurring, dead-ending geological formation used by Indians and desperados in the Wild West to trap and snare their prey.

CENTERFORSECURITYPOLICY: A fatal 'box canyon' for the G.O.P.?