The basic concepts and principles derived on this base can be used directly to optimized design of hovercraft resistance, stability and seakeeping quality.
由此导出的一些基本概念和判据可直接应用于气垫船阻力、稳性和耐波性的优化设计。
2
Wednesday, winds over the Fukushima nuclear-power plant gusted out to sea, keeping levels close to normal.
周三，经过福岛核电站的风吹向了大海，核辐射强度接近正常水平。
3
A study published in the December 2009 Ecological Applications shows that keeping more fish in the sea may give an ecosystem some protection against unwanted algae.