fortification

英 [ˌfɔːtɪfɪˈkeɪʃn]

美 [ˌfɔːrtɪfɪˈkeɪʃn]

n. 碉堡; 围墙; 炮台; 防御工事; 筑城; 设防; 加强

BNC.16026 / COCA.17488

牛津词典

noun

碉堡；围墙；炮台；防御工事
a tower, wall, gun position, etc. built to defend a place against attack
1. the ramparts and fortifications of the Old Town
  旧城区的城墙和城堡
筑城；设防；加强
the act of fortifying or making sth stronger
1. plans for the fortification of the city
  城市设防计划

noun

the addition of an ingredient for the purpose of enrichment (as the addition of alcohol to wine or the addition of vitamins to food)
defensive structure consisting of walls or mounds built around a stronghold to strengthen it
Synonym:munition
the art or science of strengthening defenses

Seismic Fortification Levels and Performance Objectives for Large Dams
大坝的抗震设防水准及相应性能目标
Fortification of food has a clear nutritional targeting.
食物营养强化有明确的营养目标。
Amino acid chelates were used as mineral additives for fortification of infant milk formulation.
研究氨基酸螯合物在婴幼儿配方奶粉中的应用性能。
An opening ( especially a gap in a dike or fortification).
一个开口（特别指堤防或要塞的裂口）。
There is a contrast between seismic design code of different countries because of economic condition and seismic fortification.
由经济条件和抗震设防思想存在差异，各国抗震设计规范中的规定也不尽相同。
On seismic fortification criteria after Wenchuan Earthquake for high dam in China
论汶川地震后我国高坝抗震标准问题
Inspirations from the Wenchuan Earthquake: Some suggestions on Seismic Fortification Measures in Structure Design
汶川地震启示：结构设计中若干抗震措施的建议
An additional interior fortification to prolong the defense.
为延长防线而在内部附加的一个防御工事。
A ditch dug as a fortification having a parapet of the excavated earth.
挖掘的土地上有低墙的作为防御工事的沟渠。
Differential Analysis on Building Construction in Areas of 9 Degree Seismic Fortification Intensity
9度抗震设防烈度地区建筑施工的差异分析