查询词典 terrain

The diameter and width of wheel decide the trafficability of lunar rover on tough lunar terrain.

月球车的通过性能与车轮在月壤上的下陷深度、车轮驱动力以及车轮的驱动效率这三方面因素密切相关。

Yrafficability of lunar rover includes trafficability of wheel supporting, geometric trafficability on tough lunar terrain and capability of climbing obstacle.

月球车的通过性能主要包括月球车的车轮月壤支撑通过性问题、不平月面的几何通过性问题和越障能力。

Terramechanics concerns studies on the interaction between vehicles and rough terrain in off-road locomotion. The main topics include prediction of vehicle mobility performance, optimum design of mobility systems and soil trafficability evaluation.

地面力学是研究越野行驶中机器与地面相互作用的一门力学学科，包括对机器通过性的预测和评价，行走机构的优化设计以及对地面可行驶性的预测判断等几个方面。

So cooperative controlling of driving force of wheel is a key of trafficability on tough lunar terrain.Based on SQP algorithm,driving force of wheel was optimized. Optimization is based on restriction of moving safely and smoothly.The aim of optimization is to minimize power consume of motors and varying range of driving force.

本文基于序列二次规划算法优化摇杆-转向架式月球车车轮系统驱动力输出，建立保证月球车在月壤平稳安全通过的力学约束方程，以车轮驱动功率和驱动力变化最小为目标函数优化车轮驱动力输出，使月球车平稳前进的同时车轮驱动电机功率消耗最小，这对能源有限的月球车来说是很有意义的。

Much of your terrain may be off trail.

大多数路线都是越野路线。

And builds some mathematics models. Using these models and methods, some na-ture scenes are simulated successfully, for example: terrain, tree, leaf and fern etc.

利用以上方法，建立一些描述具体自然对象的数学模型，成功地模拟了山峦、树木、树叶和蕨类等自然景物。

Plains north foot of the mountains in the Lake District, open terrain, there are 10000 trees garden and trial horse dam is a Bi Cao Yan Yan, lush forests, vast grasslands.

平原区在湖区北面的山脚下，地势开阔，有万树园和试马埭，是一片碧草茵茵，林木茂盛，茫茫草原风光。

With open trimmers the canopy comes overhead much easier and faster on flat take off terrain.

调节带处于放开后，在平地起飞伞头能更容易、更迅速的升到头顶。

This is the most outstanding, intact example of a troglodyte settlement in the Mediterranean region, perfectly adapted to its terrain and ecosystem.

马泰拉位于意大利巴西利卡塔地区的南部，是地中海地区保存最为完好、典型的史前穴居人定居点。

What we're engaged in is radically individual: a single-file trudge through treacherous terrain.

我们从事的是绝对个人的事：成单行穿行暗藏危险的地形。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。