查询词典 rush cushion

The automation control system of half-tracked air-cushion vehicle should meet the following demands

对于气垫车最佳工作状态的自动控制系统，应满足以下一些基本要求

Hovercraft, or air-cushion vehicle, are unusual travel over land and water on a layer of air.

解释：空格前是句子的主谓语，空格后是谓语结构，空格处需要从句引导词及从句主语，只有D符合题意，in that是特殊的状语从句引导词，表原因

Based on the analysis of soil mechanics for a semi-track air-cushion vehicle,theoretical models for traction efficiency and total power consumption were established,and relationships between slip ratio and traction efficiency,total power consumption were examined respectively.

在分析半履带气垫车所受土壤力的基础上，建立了牵引效率和总功耗的理论模型，讨论了滑转率同牵引效率和总功耗的关系。

Realize the driving control of the half-tracked air-cushion vehicle, make sure that not only the vehicle can drive normally, but also the total power consumption is minimum in different soil conditions.

实现气垫车的行驶控制，满足在不同土壤条件下，既保证车辆的正常行驶，又使总功率消耗最小的要求。

This paper also researches on the kinematics and mechanics of the push-pull air-cushion vehicle. By velocity composition method, the velocity vector formulae of any point on moving platform is obtained.

本文还就推拉式气垫车运动学和力学两个方面进行了详细的分析，运用速度合成法得到了气垫车转向过程中，运动平台上任意点的速度矢量公式。

But in fact, the system of half-tracked air-cushion vehicle is over complicated. When the vehicle drives in an unknown soil, the parameters and structures of controlled member will change with load or disturbances. This system is nonlinear and time-variant, and it is very difficult to analyze its transfer function and state function quantitatively.

然而在实际工作中，由于本课题中的系统过于复杂，当行驶在未知土壤条件下时，被控对象往往随着载荷或干扰因素影响，其特性参数或结构发生改变，属于非线性和时变性的不确定系统，它的传递函数或状态方程难于用传统的定量分析方法加以实现。

Upon hearing this, I, hastened to put on their clothes, after eating breakfast together with the refinancing by folding Air-cushion Vehicle came to the lab fired Room.

我听后，连忙起来穿好衣服，吃完早餐后便与瑞贝卡一同乘坐可折叠式气垫车来到实验室的发射室。

In this paper the dynamics characteristics are analyzed theoretically at first. According to the unique configuration and mechanics characteristics, the mechanics model and kinetic differential equation of the half-tracked air-cushion vehicle are established. Algorithm of mechanics and lifting-state parameters are put forward and analyzed. And variation ranges of the driving state parameters are obtained and the corresponding influence factors are analyzed. The further qualitative studies on control model are carried out.

因此，本文首先从理论上分析了半履带式气垫车的动力学特性，根据半履带式气垫车的独特结构和力学特性，建立了半履带式气垫车的力学模型和相应的运动微分方程，提出并分析了在纵摇与升沉运动时，半履带式气垫车的力学参数和垫升状态参数的计算方法，得到了在行驶过程中各运行状态参数的变化规律，并分析了相应的影响因素，进而对控制对象模型进行了定性研究。

The push-pull air-cushion vehicle has perfect adjust function on speed and steering, this profits from the controllable characteristics of the cylinders.

得到了上述关系方程式，就可以对气垫车的速度和转向进行实时调节。

Real-time and effective automation control system should be developed so that half-track air-cushion vehicle can be adaptable to complex soft terrain, which exerts fully the advantage of driving ability on the soft ground.

为了使半履带式气垫车能更好地适应于复杂的松软地面条件，充分发挥在软地面上行走的优越性，应研制有效的自动控制系统进行实时地控制。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？