空船重量 meaning in Chinese

light displacement
lightweight

The process of setting up the ship form main dimensions is mainly relied on the multivariate and stepwise regression in the past which based on the massive subsistent data including the main dimensions , light weight , storage capacity , stability and total cost and so on . with the appearance of the technology of ann and ai , the bp network is used predicting and simulating in all kinds of fields
船型主尺度要素的建立，以前主要采用的是基于数理统计理论的回归分析方法，如多元回归分析方法和逐步回归分析方法等，它是建立在大量现有实船数据的基础之上，对船型主尺度要素、空船重量、舱容、稳性和造价等要素进行统计回归。