Based on steering dynamics theory of tracked vehicles with dual-power flow transmission,built simulation motion during streering of tracked vehicles under simplified conditions on the hard terrain.
基于双流传动履带车辆转向动力学理论,建立了考虑履带车辆转向过程中滑转和滑移情况下坚实地面上的转向过程仿真模型。
built on solid foundations
在坚实的地基上建造的
If a good base cannot be found at a reasonable depth, then a so-called deep foundation must be provided. This usually comprises a series of driven or cast-in-situ reinforced concrete piles.
若在合理的深度内找不到坚实的地基层,那就要采用深基础,如通常采用的钢筋混凝土桩基
Pour a solid foundation of cement
浇注坚实的水泥地基
The house is founded on a solid foundation of cement.
房屋建在坚实的水泥地基上。
The builders poured a solid foundation of cement.
建筑工人浇注了坚实的水泥地基。
Creating Productive Training Base to Build a Solid Foundation for the Integrated Working-while-learning Personnel-training Model;
创建生产性实训基地 打造工学结合的坚实基础
In order to lay a solid foundation they work hard at English.
为了打下坚实的基础，他们刻苦地学习英语。
a well-grounded theory
有坚实基础的理论.
This comparison,of course,must be based on solid fieldwork.
当然,这种比较必须建立在坚实的实地研究的基础上。
And the firm soil win of the watery main,
坚实的陆地也进占大海的地盘，
arguments that have a firm basis,ie that are founded on facts
有坚实基础（有事实根据）的论据
Give me a firm spot on which to stand, and I will move the earth.
给我一个坚实的支点，我便能移动地球。
The ground had been impacted by many people walking across it.
因为走的人多，地面被踏得坚实了。
Lacking a firm support or basis;unsubstantial.
无基础的缺乏坚实的支撑或基础的；不充实的
They had a sound basis of union.
他们的结合有着坚实的基
Her heavy industry rests on a broad and firm base.
它的重工业有广泛坚实的基
Mr Bush also has a much firmer base in Congress.
在国会,布什同样拥有更加坚实的基
Solid background in the IT field
信息技术领域的坚实基础