The present construction method of permanent benchmarks and establishing process of altitude control network are introduced at present.
现介绍本次永久性水准点的施工方法及高程控制网的建立过程。
Based on the research object, the random radiation optimization of multitargets and multi-restrictions is introduced into the design of altitude control system.
针对研究对象，在高度控制系统设计中，引入多目标多约束的随机射线优化方法。
It is present a method to design altitude control system for a high altitude airship using auxiliary ballonet charge or deflation and elevator combination control.
当时高度存在大误差时，采用副气囊和空气舵组合控制改变飞艇的姿态实现快速爬升或下降；
The four permanent benchmarks are built as the altitude control network in the place because of the requirement for the CSPC Nanhai petrochemical project's building.
中海壳牌南海石化项目因工程建设的需要，在厂区范围内建立了四个永久性水准点作为场地高程控制网。
It needs medium altitude high endurance UAVs to fly over the Mediterranean Sea to control migration from Africa to Europe.
它需要中高，高耐用性无人机飞越地中海，以控制从非洲到欧洲的迁移。
In the cockpit, the pilots chattered with Brazilian air traffic control, calling out altitude and radio frequencies.
在驾驶舱内，飞行员在和巴西方面的空中交通管制部门交谈，报告航班高度和无线电频率。
The equipments are RAMS3000 intergrade control and display system for all weather & low altitude flight.
设备有用于全天候和贴地飞行的RAMS3000综合控制与显示系统。
ALTITUDE ACQUIRE, a digital flight control system mode to transition from climb (or descend) to level flight.
高度截获，一种数字式飞行操纵系统，从爬升(或下降)改平的模式。
The mechanical analysis and the trimming were performed for a novel near space aircraft which uses the variation in wind speed at high altitude to control its flight path.
对一种利用高空风的风速差控制飞行轨迹的新型低能耗临近空间飞行器，进行了力学分析与配平计算。
The challenge for me was to be able to handle the flour type and heat control with the high altitude.
我的挑战在于，能否把握面粉的品种，还有在高海拔地区的温度控制。
Use collective control to maintain constant altitude and speed. Fly away from the maneuver straight and level.
执行后退侧滚时，请控制主旋翼的螺距，以便维持固定的高度及速度。
The control principle of airspeed keeping, altitude keeping, course keeping and swerve control is analyzed, too.
进行了空速保持、高度保持、航向保持和转弯控制等控制律的详细分析。
It has only two hand-operator uses to direct the redundant computer control twists to select the desired operating altitude and moves fore and aft to select the rate of climb.
它只设有两个手操控制器，操作员通过它们来操纵冗余计算机控制系统去执行所需的飞行动作。转动左手控制器可选择所需要的飞行高度，前后移动左手控制器可选择上升速度。
The platform was under the control of an Israeli Air Force ground controller, who is believed to have lost contact with the UAV after which it lost altitude and hit a high-tension cable.
平台是在以色列空军地面控制器的控制之下，据信已经与无人机失去联系后，它失去高度撞上一个高压线。
The key role of spray-cooler for hot gas in active ejection altitude simulation facility, indicates that the control of temperature of hot gas ensures regular service for tests.
水喷雾冷却器在主动引射高空模拟试车台中具有重要作用，其出口处温度的有效控制是保障试车正常运行的关键。
In this paper, a high altitude airship model with compound control of elevator and ancillary air bursa charging and deflation is given firstly.
然后，基于最优控制对高空飞艇纵向高度控制系统进行了设计；
Vibration control system is used in temperature vibration humidity and altitude combined environment test system.
振动控制系统已应用于四综合(温度、湿度、高度、振动)试验系统中。
The tentative design of constant altitude flight solid rocket composed of the sustainer, the booster and its simple control method is presented.
介绍了主发动机加助推器和简易控制方法实现固体火箭等高飞行的设计方案。
The tentative design of constant altitude flight solid rocket composed of the sustainer the booster and its simple control method is presented.
介绍了主发动机加助推器和简易控制方法实现固体火箭等高飞行的设计方案。
The response characteristic of moving-mass control for the low-altitude aircraft is researched based on the moving-mass control system model of the flying saucer.
在建立碟形飞行器变质量矩控制数学模型的基础上，对低空飞行器变质量矩控制的响应特性进行了仿真研究。
Methods Experimental Wistar rats were randomly divided into four groups:normal control group, high altitude hypoxia group, plain soman intoxication group and soman intoxication combined hypoxia group.
方法实验大鼠随机分为正常对照组、高原缺氧组、平原中毒组和缺氧中毒组。
With CSZ altitude Chambers, you can control the temperature environment for testing while simulating various altitudes from site level to 65,000 feet (42 Torr).
通过使用该压力箱，您可以控制测试温度环境，同时模拟从地面到65,000英尺(42托)的不同高度。
The optimal high altitude guidance law with reentry constraint condition is derived by using the optimal control theory, and the algorithm of time to go is also given.
给出了一种新的飞行器运动数学模型和这一模型下的最优制导律以及再入飞行器发动机工作时间、过载系数和估算方法。
At that time, China has not announced low altitude opens policy, airspace 70% it is military control, civil aircraft and train a plane and can not fly freely in the sky.
当时，中国还没有宣布低空开放政策，空域70%都是军管，民用飞机和训练飞机并不能自由地在天空飞行。
In the cockpit, the pilots chattered with Brazilian air traffic control, calling out altitude and radio frequencies.
在驾驶舱内，飞行员在和巴西的空中交通管制人员对话，报告着飞行高度和无线电频率。
In the cockpit, the pilots chattered with Brazilian air traffic control, calling out altitude and radio frequencies.
在驾驶舱内，飞行员在和巴西的空中交通管制人员对话，报告着飞行高度和无线电频率。
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