查询词典 cushion

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。

In order to prove the reliability, test studies have been primarily carried out in the indoor soil bin. The data of the vehicle driving state parameters under the same or different terrain are analyzed. The process curves are compared by different control schemes. The theoretical model of the optimum driving state is reliable and fuzzy control scheme is feasible. The disturbances and unknown factors of control system are analyzed. Test results prove that the half-tracked air-cushion vehicle can drive steadily under control of the computer. At the same time the sensors used to measure soil mechanics characteristics on line need to be developed. And it is the important problem to be solved in the future study. The necessary regulation and correction are put up. So the studies in this paper provide some instruction for the further research work.

为了验证本文提出的最佳工作状态及最佳垫压理论，并分析控制系统的可靠性和稳定性，本文在半履带式气垫车的模型车上，在室内土槽中进行了初步的实车性能和理论验证试验，考察了在同种和不同土壤条件下气垫车的行驶状态参数的测量数据，比较了采用不同控制方法下的过程曲线，验证了最佳工作状态的理论模型和模糊控制系统方案的可行性与可靠性，从而保证了采用自整定模糊PID控制器能够使半履带式气垫车在稳定行驶最佳工作状态下；同时通过试验研究，分析了系统中各干扰与未知因素，对控制方案进行了相应的调整和修正，为今后进一步的研究工作提供了一定的指导。

Considering the characteristics of the push-pull air-cushion vehicle, this paper gives the definition of pace steering angle, that is taking the actual steering angle of the moving platform in one pace circle as a pace steering angle.

针对上述问题，结合推拉式气垫车的运动特点，文章给出了单步转向角这样一个定义，即以车辆的一个步进工作循环下运动平台的实际转角作为一个单步转向角，气垫车的实际转向角通过各单步转向角累加而成。

The walking mechanism of push-pull air-cushion vehicle includes two parts: push-pull mechanism and anchoring mechanism, both take hydraulic cylinders as driving components. So this walking mechanism has advantages of lighter weight and higher driving efficiency, it can work on many areas.

推拉式气垫车的行走机构包括推拉机构和抓地锚定机构两部分，它们都是以液压油缸作为驱动元件，通过液压传动实现伸缩动作的，这样既省却了轮式、履带式车辆笨重、复杂的行走机构，又大大提高了气垫车的驱动效率，能够适应各种复杂地表条件。

Because the half-tracked air-cushion vehicle is driving on the bad soil conditions, especially on the soft and wavy terrain, the driving state parameters will change and deviate from the optimum state values.

由于半履带式气垫车工作环境恶劣，特别是路面起伏大，土壤较软等，同时可能会受到各种严重干扰，引起状态参数发生改变，而远离最佳工作状态。

The slide is a soft, air-filled cushion that children can bump onto safely and comfortably.

幻灯片是一种软，充气垫，儿童可以凸点到安全和舒适。

The suspending cushion packaging structure was designed to protect instruments of 20G in airdrop supply.

设计一种悬挂式缓冲包装结构，在空投补给时对脆值为20G左右的仪器提供缓冲保护。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。