The thesis makes a main study of submarines' depth and pitch control in vertical plane and researches on submarines' equilibria control performance.
本文将主要研究潜艇垂直面的深度和纵倾的控制，从而进一步研究潜艇的均衡控制性能。
In order to get a good performance on preventing cavitation, the impeller of magnetic driving pump is designed in low-NPSHR method and variable-pitch inducer is installed.
为了获得良好的抗汽蚀性能，对磁力泵叶轮采取低汽蚀余量设计措施，同时配置变螺距诱导轮。
He also had a run-scoring wild pitch in the fourth (another run scored on a passed ball), capping his worst outing of the season and fourth straight shaky performance.
他在第四局投出掉了一分的暴投（另外丢掉的一分则是因为补逸而丢掉的）。这是他本季最糟糕的出赛，也是连续第四场很抖的先发表现。
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