four-speed
基本解释
- adj.四速
英汉例句
- By applying a mathematical transform to the coupling control equations about the phonon field and phason field, two standard wave equations and four speeds of wave are founded.
考虑一维准晶体制备的杆的纵向波动问题,对声子场和相位子场相耦合的控制方程进行数学变换,得出2个标准的波动方程和4种波速。 - Power Train The ZF electro-hydraulic shift transmission incorporated has four speeds forward and three reverse, and gear "kick-down" (KD) function with operational easy and efficiency.
变速系采用ZF电液换档前四后三变速箱,具有自动档位切换开关(KD键功能),操纵简便,工作效率高; - The speed of sound in water is about four as great as in air.
声音在水中的速度是空气中的四倍左右 - It is clear to all of us that two plus two is four.
二加二等于四对我们大家都很清楚。 - He wove four plots together into a novel.
他把四条情节编成一部小说。