在雾天，飞行员只得靠仪器飞行。
这次论证包括根据仪器飞行规则所鉴定的几架商业飞机、地域性飞机和直升机。
Several business aircraft, regional jets and helicopters certified for instrument flight rules are included in this certification.
然而，如果飞行员持有的仪器等级在其必须持有的基本的飞行员执照等级之上，那么飞行员只能选择仪表飞行规则。
However, a pilot can only choose to fly IFR if they possess an instrument rating which is above and beyond the basic pilot's license that must also be held.
夏末，飞艇将接受飞行检验，并将携带美国宇航局和老道明大学的仪器，测量土壤湿度。
The airship will be flight tested later in the summer and will carry a joint NASA and Old Dominion University payload that will measure moisture content in soil.
下一个预期的指挥和遥感勘测测试将于2009年早期举行，在下3个飞行仪器综合进npp太空船之后。
The next scheduled command and telemetry testing will be in early 2009 after the integration of the next three flight instruments to the NPP spacecraft.
绕地飞行的观测台上三种主要仪器之一(AIA)每十秒种用十个波长来给太阳拍照。
One of three main instruments on the orbiting observatory, the AIA takes pictures of the sun in ten wavelengths every ten seconds.
飞行员用一种叫做视速仪的仪器，它能在飞行员眼前快速地闪过敌机。
Pilots used a pacing tool called a tachistoscope that flashed images before their eyes at increasing speeds.
原型机包括机载使用仪器、地面站规划和听取飞行员汇报的软件系统。
The prototypes include airborne instrumentation, ground station planning and software systems to debrief pilots.
印度于2008年将“月球飞船1号”太空飞行器送入了月球轨道，目标是用其搭载的NASA(美国国家航空和航天管理局)探测仪器确认月球上是否有水的存在。
India put the Chandrayaan 1 spacecraft into lunar orbit in 2008, a mission with a NASA payload that helped confirm the presence of water on the moon.
这架被改装过的商业客机上装配了可以用来测量飓风风剖线（wind profile）的仪器，不管是在地面还是在飞行高度上，仪器都能发挥作用。
The converted commercial airliner is equipped with an instrument that can measure a hurricane’s wind profile from ground to the aircraft’s height.
搭载在印度Chandrayaan - 1太空飞行器上的NASA仪器传回的数据证明，月球表面存在水。
Data from a NASA instrument aboard India's Chandrayaan-1 spacecraft show evidence of water molecules on the surface of the moon.
多数飞行任务中都有1、2位宇航员进行太空行走，双手戴着巨大的手套扛着沉重的仪器修补飞船。
On most missions one or two astronauts would walk in space, carrying clumpy instruments in huge gloved hands, to tinker with the craft. Their logs were eloquently mundane.
飞机有最好的无线电设备，最可靠的仪器。每架飞机都有救生筏。每个人都有一套救生衣。飞行员非常有经验。
The planes have the best radios and the most reliable instruments. Each plane has life rafts. Each man has a life jacket. The pilots are very experienced.
分析了磁头飞行角度调校仪器不同工位测量磁头俯仰角和翻转角之间的相关性，并简单介绍了角度调校方法。
The paper analyzed the correlation of pitch angle and roll angle, which were measured by magnetic head flying angle adjustment apparatus, and introduced a method of angle adjusting.
航天试验离心机人和动物在其里面并旋转以模仿宇宙飞行器的加速作用的一种仪器。
An apparatus in which human beings or animals are enclosed and which is revolved to simulatethe effects of acceleration in a spacecraft.
这个环球飞行的航天器装备有专门仪器用来拍摄连续的、相互交叠的地球表面照片。
The orbiting spacecraft is equipped with special instruments that are used to produce sequential, overlapping pictures of the surface of the earth.
当时还没有许多飞行仪器帮助他找到航线。
Not many flight instruments existed that would help him to find his way.
精密仪器用来帮助飞行员操作飞机。
Precision instruments are used to help pilots in guiding their aircraft.
PERISCOPE是一个仪器和任务概念，从一个轨道平台，使用光量子飞行时间成像法，（达到）调查和测绘月球天窗目的。
PERISCOPE is an instrument and mission concept with the goal of investigating and mapping lunar skylights from an orbiting platform using photon time-of-flight imaging.
本文提出了一种有效的飞行仪器偏差估计的极大似然方法。
An efficient maximum likelihood method for the estimation of instrumentation errors for flight is presented.
根据高空高速飞行特点及瞬态热载荷值，确定仪器设备舱调温系统方案。
According to flight feature and transitional thermal load value, scheme of temperature adjusting system of electronic equipment cabin was presented.
这些飞机上的飞行员座位已经被拆除用无线电操纵仪器代替。
The pilot seat on these aircraft has been removed and replaced by radio control equipment.
是一台综合性座舱导航仪器，可为滑翔机飞行员提供环境预警。
An integrated cockpit navigational instrument and display providing full situational awareness for glider pilots.
可能这这时期吉米最重要的工作是仪器导航飞行法。
Perhaps Jimmy's most important work during this period involved instrument flying.
自行设计了国内第一台可实时测量气溶胶单粒子化学成分的气溶胶飞行时间质谱仪，并用该仪器对两类燃烧过程产生的气溶胶粒子进行了实时测量。
An aerosol time-of-flight mass spectrometer that can be used for real-time measurement of chemical compositions of individual aerosol particles had been designed and manufactured in our laboratory.
笔者研究求解了航天飞行器仪器舱高频结构声振问题的统计能量方法，给出了用统计能量法计算的一般步骤；
The statistic energy method for solving high-frequency structural acoustic-vibration problem of high speed aero-craft is studied in this paper.
飞行器上搭载的七部仪器将对该天体的表面特征、元素构成和大气层进行细致的制图。
The spacecraft's seven instruments will carry out detailed mapping of the object's surface features, composition and atmosphere.
飞行器上搭载的七部仪器将对该天体的表面特征、元素构成和大气层进行细致的制图。
The spacecraft's seven instruments will carry out detailed mapping of the object's surface features, composition and atmosphere.
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