查询词典 altitude

This article deduces the formula of distance on mean elevation plane measured and the formula of altitude difference when inclined distance and vertical angle are observed separately .

推导出了斜距和垂直角分开观测时计算平均高程面上的距离公式以及计算高差的公式，并在进行了精度分析的基础上，提出了能满足精度要求应采用的公式。

When it was necessary to prove that an experimental aircraft could successfully withstand a bird strike at altitude, Johnson invented away to avoid risking a priceless plane and a valuable test crew.

必要时，证明了实验飞机成功地经受住禽流罢工高度，约翰逊发明以外，以避免危险的无价飞机和宝贵的试验船员。

Pilots have taken the airplane to an altitude of 30,000 ft/9,144m and a speed of Mach 0.65. Nearly 60 hours of flying have been completed.

在宇航员的操作下，梦幻客机可抵至9，144米的高空，在60小时的航程能可达到0.65马赫的飞行速度。

The aircraft has reached a maximum speed of Mach 0.90 and a top altitude of 47,000 ft/14,326m.

湾流G650可达到的最大飞行速度是0.90马赫，最大高度为47，000英尺即14，326米。

This is analogous to looking at the X-Plane scenery from a low altitude on a clear day.

这就像在X-Plane 中在低海拔的晴朗的天空中看地面的景物一样。

Mary Lake's waters are colder and lie almost 1,500 feet (460 m) higher in altitude than Lake McDonald, the largest lake in the park, which is located on the west side of the Continental Divide.

在一个4484英尺（1，367米），圣玛丽湖的水是冷的高度，躺在了近1500英尺（460米），在湖比麦当劳，在公园，这是对西侧最大的湖泊海拔较高大陆分水岭。

In the mountain and two slopes of Xiaojiang Valley, Dongchuang, Yun-Gui Plateau, the layered land-form surfaces with various altitude were developed and presented.

作者认为在云贵高原抬升过程中，东川地区以挤压穹起隆升变形为主。

Through the project, domestic GPS receiver/chip manufacturers have been surveyed, GPS signal simulations for coverage, signal quality, tracking loop, and positioning accuracy have been performed, a GPS receiver prototype has been implemented to overcome limitations due to high altitude, high speed, rapid Doppler variations, and vehicle motions, performance tests with other receivers have been conducted, and, finally, a specification for the development domestic spaceborne GPS receiver has been recommended.

本计画之主要成果包括完成国内相关厂商之资料收集、访查、与分析建议，完成太空级GPS接收机之模拟分析包括讯号观测、讯号品质、追踪回路、定位计算等，完成GPS接收机工程雏形系统之建立并针对高度/速度限制、都卜勒变化、快速撷取、与轨道计算进行韧体发展，及进行GPS接收机工程雏形系统与现有GPS接收机之功能与性能测试，及完成国产太空级GPS接收机之规格建议。

It is feasible to intercept guided bombs using low-altitude short-range aerial-defense missiles, and special taskes are given at last.

论证了中低空中近程地空导弹拦截制导炸弹的可行性，并提出了应开展的专项技术研究课题。

The main tactical character of guided bombs is introduced based on the Vietnam War, Gulf War, and Kosovo War. It draws the conclusion that guided bombs will become important weapons of air attack in the future, and also become main targets intercepted by low-altitude short-range aerial-defense missiles.So how to intercept guided bombs is the urgent problem.

根据越南战争、海湾战争和科索沃战争的战例，阐述了制导炸弹的主要战术技术特点，认为制导炸弹是未来空袭作战重要兵器，是中低空中近程地空导弹的重要目标，拦截制导炸弹是地空导弹应该着力研究的问题。

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％。