The load of aircraft after landing was investigated by different vertical velocities,horizontal velocities and landing elevations.
分析了不同降落速度、飞行速度和降落仰角下,飞机水面降落时机身压强随时间的变化规律。
Prove with elementary method that the curve described by an isochronous pendulum and the fastest falling curve are cycloids.
用初等方法证明等时摆的摆锤所描成的曲线和最速降落曲线都是旋轮线 ;证明在正交的均匀电场与均匀磁场中运动的带电粒子的轨迹也是旋轮线 ;讨论了重力场和正交均匀电磁场中质点的运动之间的类
The analysis and research of the elevating velocity efficiency and the maximum velocity;
对提升速度效率与最大速度的分析研究
The position of the maximum slider velocity in different type of slider-crank mechanism has been researched in this paper,some conclusions have been obtained,with regard to the offset slider-crank mechanism,the maximum velocity of slider is in the position where crank and linkage are in right angle,but to the centric slider-crank mechanism,the .
根据滑块工作行程的最大速度与平均速度的比值要求设计曲柄滑块机构,首要问题是确定滑块工作行程的最大速度位置。
Using qualitative analysis and getting maximal speed by numerical value calculation,the author draws the conclusion that the two objects are unlikely to be under no stress and their speeds can t possibly reach maximum at the same time,correcting the wrong solutions to the problems about maximal speed in the papers of the physics contest.
针对物理竞赛试题中一类力学求最大速度问题的错误解答,用中学物理和导数的知识进行定性分析并通过数值计算,求出了物体的最大速度,从而得出结论:试题中两物体不可能同时处于受力为零的状态,速度不可能同时达到最大值,纠正了这类试题的错误解答。
More and more researches indicate that maximal speed is the key factor to improve 100-meter performance.
越来越多的研究表明,最大速度是提高100 m成绩的关键。
As a conclusion,the maximal speed and the continuous extension at the highest speed is the tendency of the current dash sports.
对第六届和第七届世界田径锦标赛男子100m决赛运动员的成绩进行对照分析,结果表明最大速度不断提高和最大速度的持续延长是当前短跑运动的发展趋势。
It is a relation of unite of opposites between maximum speed and keeping distance in 100m running.
100m跑最大速度和保持距离是对立统一的关系;绝对速度和最大速度是两个不同的概念,绝对速度是最大速度的基础,适当降低最大速度显著增加其保持距离,两者合理搭配才能取得100m跑优异的比赛成绩。
The falling speed of water drops in air has been measured.
水滴在空气中的降落速度被测量过。
Galileo demonstrated that objects of different weight fall at the same speed.
伽利略证明不同重量的物体降落速度是相同的。
a parachute used to decelerate a fast-moving object.
用于减小落体速度的降落
a small parachute or articulated flap to reduce the speed of an aircraft.
降低飞行器飞行速度的小降落伞或连接的副翼。
slows airplanes as they land on the flight deck of an aircraft carrier.
当飞机降落到航空母舰上时降低飞行速度。
Soil animals increase the speed of litter breakdown by disintegrating tissue.
土壤动物通过分解组织，加速落叶层降解的速度。
Thinking too much prior to attempting this the first few times can slow down your rotation.
一开始考虑落脚问题过多会降低你转身的速度。
Spreading himself like a parachute, to slow his fall,
他把身体展开得像降落伞一样，以便减慢下落的速度。
An approach controller directs your pilot to adjust the aircraft's heading, speed and altitude to line up and prepare to land along standard approach corridors.
降落管制人员会指示飞行员调整飞机的高度，速度，方向，准备沿标准降落通道着陆。
SHAPE (Supersonic High Altitude Parachute Experiment)
超音速高空降落伞试验
Continue approach, QNH1014, surface wind at touchdown is northerly less than5 knots, at the south east end070 degrees at8 knots.
继续进近，气压1014毫巴，降落点风速小于5节，东南头风向70度8节。
The force of gravity is such that it produces an acceleration of about 32 feet per second for every second that an object falls.
重力使物体每降落一秒钟产生大约每秒32英尺的加速度。
The falling speed of cloud droplets is small and falling cloud droplets are not very effective in scavenging smaller particles.
云滴下落速度不大，下降的云滴对清除较小粒子并不十分有效。
Numerical simulations of the influence of the graupel fall terminal velocity on cloud system and precipitation development
霰粒子下落速度对云系及降水发展影响的数值研究
In addition, there is the deposition of very small particles which descend very slowly over large areas of the earth's surface.
此外，还有由十分微小的颗粒组成的沉降，它们以很慢的速度降落在地球的很大面积上。
In addition, there is the deposition of very small partical which descend very slowly over large areas of the earth's surface.
此外，还有由十分微小的颗粒组成的沉降，它们以很慢的速度降落在很大面积上。
The prices of domestically-produced cars fell rapidly in anticipation of tariff reductions, and have continued to do so by10% or more a year.
因为关税意料中的降低使国产汽车的价格一落千丈，而且还将以每年10%上的速度继续降低。
local velocity fluctuation
局部速度涨落 -流量计的