查询词典 visual flight rules

Factory in China and the Sixth Air Force Flying School Equipment Department have long-term cooperative relations, I plant a group of high precision aircraft navigation equipment is used in front-line flight, the sixth flight by the Chinese Air Force Academy's recognition and praise.

本厂与中国空军第六飞行学院装备部有长期合作关系，我厂生产的一批精度较高的飞机导航设备正应用在飞行前线，得到中国空军第六飞行学院的认可和好评。

The reason why quaternion is used in flight simulation of fighter aircraft and the geometric meaning of quaternion are described,according to axis system used in flight simulation of fighter aircraft in China,three problems are introduced as follows:(1) quaternion kinematic equations,(2) relationship of quaternion and coordinate transformation matrix,(3) Euler angles in terms of quaternion.

阐述了在战斗机的飞行仿真中采用四元数的原因和四元数的几何意义，并按照中国战斗机飞行仿真中采用的坐标系，介绍了三个问题：四元数运动学方程；四元数与坐标变换矩阵的关系；用四元数表示的欧拉角。

In this paper, the flight states estimate project of the missile active phase based on moving-base gravity gradiometer is put forward. The real-time flight states of a missile are revised by using moving-base gravity gradiometer, measuring the gravity gradient of practical position and adopting the Kalman filter.

为此，提出了基于动基座重力梯度仪的导弹主动段飞行状态估计方案，利用动基座重力梯度仪测得的导弹实际位置引力梯度信息，采用卡尔曼滤波方法，修正导弹当前的飞行状态。

GPLIGC - GPLIGC is a program to analyze IGC flight data from GNSS flight data recorders used by glider pilots.

GPLIGC是一个从 GNSS飞行数据记录器中分析IGC飞行数据的程序， GNSS飞行数据记录器用于滑翔机飞行员。

U.S. general aviation as a result of continued growth, the United States already have a complete general aviation industry, whose members include the following: United States aircraft manufacturers, parts manufacturers to the United States, the United States instrument avionics manufacturers, flight schools in the United States, the United States Flying Club, the United States Flight Simulator manufacturers, the United States maintenance base fixed, the United States airport development and management company, sales of U.S. aircraft, the U.S. aircraft leasing companies, aircraft broker the United States, the United States valued the company aircraft, the U.S. aircraft renovation company, the U.S. aircraft loans and insurance companies, property management companies to share the United States, the U.S. investment management business, the United States aviation fuel suppliers, the United States, such as security consultants.

由於美国通用航空的持续成长，美国已具备完整的通用航空工业，其成员包括：美国飞机制造商、美国零配件制造商、美国航空电子仪表制造商、美国飞行学校、美国飞行俱乐部、美国飞行模拟器制造商、美国固定维修基地、美国机场开发管理公司、美国飞机销售商、美国飞机租赁公司、美国飞机中介公司、美国飞机估价公司、美国飞机装修公司、美国飞机贷款和保险公司、美国产权分享管理公司、美国投资管理商、美国航油供应商、美国安全保障顾问公司等。

In order to investigate and develop advanced flight simulator with high fidelity and provide the simulator with actual and reliable navigation data, the data structure requirements of navigation database for the system of flight simulator prototype are presented. These requirements including the airport, runway, very high frequency omnidirectional radio range, instrument landing system, distance measuring equipment system, nondirectional beacon and marker beacon.

为了研究开发高逼真度的飞行模拟器，并为之提供真实可靠的导航数据，提出了飞行模拟器原型系统导航数据库的数据结构要求，即机场、跑道、甚高频全向信标、仪表着陆系统、测距仪系统、中波导航台和指点信标的数据结构要求。

The effects of ground on trimming and maneuvering control were studied.Taking a typical helicopter as an example,the trims for steady flight with different velocities and altitudes were first solved.Then control laws for lateral jink maneuver were obtained for helicopter NOE flight.The calculation results conform to the ground effect theory,and load factor and control variation of the maneuver can be used for reference.

以某直升机为算例，在近地飞行和考虑不同速度与高度时，分别进行了直升机稳定飞行时的配平计算，然后以侧向紧急转弯机动为例，对机动操纵规律的问题进行了计算分析，计算结果与地面效应的理论相符合，机动过载和操纵变化规律可以为飞行试验提供借鉴。

Botswana Kenya Airways flight with the flight code-sharing agreement was signed.

肯航还与博茨瓦纳航空公司就该航班签订了代码共享协议。

This is introduced in detail the takeoff and landing phase of flight operations, and then international flight safety foundation decrease in nearly landing accident research experts group to reduce the accidents in nearly landing stage of hair into nearly landing stage risk awareness, summarizes the checklist checklist five risk factors, on the basis of detailed analyses each element of each element, points out the various risk factors.

本文较为详细地推荐le起飞和降落阶段中的飞行操作，接着结合国际飞行安全基金会减少进近着陆事故研究专家工作组为减少进近着陆阶段的事故发制定的进近着陆阶段的风险意识检查单，概述了检查单中的五项风险要素，在此基础上详细分析了每项要素，指出每项要素中的各条风险因素。

In hand-control, many basal actions of flight are emphasized ,such as plane's level flight, diving、 climbing and swerving.

在人工控制中重点讨论了基于键盘控制的飞机平飞、俯冲、爬升和转弯等基本飞行动作。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。