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

Hamner said even with that fortification, women are not getting enough.
Hamner说，即使这样强化，妇女仍没有得到足量的叶酸。
These well-established concepts need to inform public policy and food fortification programs.
需要让公共政策和食品强化项目知道这些已经被大家接受了的概念。
The safety of the structure is in grade two and the earthquake fortification is of C-class.
结构的安全等级为二级。抗震设防类别为丙类。
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。
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
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）。
Discussion on the seismic design of shear wall coupling beams in the high seismic fortification intensity zones
剪力墙连梁在高烈度区抗震设计中若干问题的讨论
Fortification of food has a clear nutritional targeting.
食物营养强化有明确的营养目标。
The fortification process does not cause an imbalance of essential nutrients.
强化的过程并不会导致必需营养元素的不均衡。
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