英语语法分析

So how to and to what extent the metacentric height is decided have the direct influence on safety of vessels and containers.

所以其稳性高度的确定，以及航行中对稳性的校核，直接影响船舶营运安全和集装箱安全。

To use two passive U-tube anti-rolling tanks with different natural frequencies can provide very good rolling reduction over a wide range of metacentric height of ship.

使用两个具有不同固有频率的被动式U型减摇水舱能给横稳心高变化范围很宽的船舶提供很好的减摇效果。