displacement hull

基本解释

A method for predicting the hydrodynamic property and motion of high-speed displacement mono-hull ship based on 2.
发展了基于二维半理论的预报排水型单体船在波浪上的水动力特征及运动性能的方法。
A fast semi-displacement hull, on the other hand, is inefficient at low speeds when the transom tends to sink deeper in the water.
快速半排船体则是在低速航行时较为低效率，因为船身在低速航行时吃水更深。
Its innovative design is based on a semi-displacement hull that is quite narrow in the beam, allowing it to reach 30 knots or more with modest power.
它创新的设计在于拥有较窄船梁的半排水船体，使得其能够在中等动力下获得超过30节的航速。