Soldiers of Chinese navy special force carry out an anti pirate drill on the deck of DDG-171 Haikou destroyer in Sanya, capital of South China\s Hainan Province, on Dec. 25, 2008.
12月25日，在171舰“海口”号导弹驱逐舰的甲板上，威武的中国海军特战队员在军舰甲板上列队。
2
This is particularly important for the catamaran which endures wave force acting on the side hull only by the single deck cross-structure, and is hard to guarantee.
尤其是只靠单层甲板连接桥来承受作用于两片体上波浪力的双体船，其连接桥强度更难于保证。
3
A card is thought of (no force) and the deck is mixed, some CARDS face up and some CARDS face down.