在船中部 meaning in English

amidships

Wherethe long bridge deck within 0 . 5 l amidships is regarded as strengthdeck , the midship section modulus and minimum thickness of the deckplating comply with the requirements of 2 . 2 . 1 and 2 . 4 . 2 . l of this ischapter
例1 :在船中部0 . 5l区域内的长桥楼甲板作为强力甲板时，其船中剖面模数及最小厚度应满足本章2 . 2 . 1及2 . 4 . 2 . 1的要求。