Correct

海防

/ hǎifáng / 
Strokes

Definition

coastal defense

Example

As a Noun

coastal defence

1
Hǎifáng
海防
yǎnxí
演习

coastal defence exercise

2
Hǎifáng
海防
qiánxiàn
前线

coastal front

3
Hǎifáng
海防
qiánshào
前哨

outpost of coastal defence