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But we need to begin with level flight. 但是我们需要从“水平飞行开始”。
Here's how you should trim an airplane for straight and level flight. 这怎么您应该整理一架飞机为平直和平实飞行。
A scheme to estimate the flight attitude of a rolling missile based on strong tracking filter(STF) was proposed. 给出一种基于强跟踪滤波器(STF)的滚转弹飞行姿态获取方法。
Jonathan is bummed when his instructor says, “Let's begin with level flight. 但是他失望了，因为他的老师告诉他“我们从水平飞行开始”。
To maneuver an aircraft into a flight attitude that is parallel to the surface of the earth after gaining or losing altitude. 进入平飞飞机在爬升或俯冲后进入与地面平行的平飞状态
Flight attitude simulators are special devices to generate flight attitude signals for aircraft carried equipments ground testing. 航姿模拟器是在对机载设备进行地面测试时用来仿真飞机航姿信号的专门设备。
Abstract ：The problems concerning an aerospace vehicle’s (ASV) atmospheric reentry flight attitude control system were researched. 摘要：研究了空天飞行器(ASV)再入跨大气层飞行时的姿态控制问题。
The problems concerning an aerospace vehicle's (ASV) atmospheric reentry flight attitude control system were researched. 摘要研究了空天飞行器(ASV)再入跨大气层飞行时的姿态控制问题。
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。
In addition, a series of reasonable time histories of helicopter velocity, angular velocity and flight attitude were shown during the given Dolphin maneuver flight. 最后以黑鹰直升机为例计算了鱼跃越障机动飞行时驾驶员操纵输入及直升机速度、角速度和飞行姿态的变化规律。
The same considerations apply to the correct banking angle of a plane when it makes a turn in level flight. 当水平飞行的飞机转弯时，同样应有一定的倾斜，倾斜角的大小可按与上面相同的考虑来决定。
According to simulating result, we consider that the flight attitude can be validly adjusted and the requires of control system design can be performed. 仿真结果表明，所设计的控制系统能够有效地调整再入飞行器的飞行姿态并满足设计指标要求。
We will stop dumping for the time being, the dumping must be carried out at straight level flight. 我们将暂时停止放油,放油必须要一直平飞。
The aircraft is lost control now, I can not maintain level flight at present altitude. 飞机现在失去操纵,我在现在的高度上不能保持平飞。
Starting from straight and level flight after the helicopter passes the pilot, the helicopter is smoothly pulled through a loop (Aft Cyclic). 先保持水平直线飞行，当直升机通过操控者后，开始平滑地拉高机头（打升舵），使飞行轨迹成为一个环状。
Starting from straight and level flight after the helicopter passes the pilot, the helicopter is xxxoothly pulled through a loop (Aft Cyclic). 先保持水平直线飞行，当直升机通过操控者后，开始平滑地拉高机头（打升舵），使飞行轨迹成为一个环状。
The communication suppressing zone is introduced to evaluate the jamming capability of the UAV and a new method is proposed to calculate it while the flight attitude is facultative. 以干扰有效压制区作为无人机通信干扰能力的评估指标,提出了一种计算无人机处于任意姿态时的地面干扰有效压制区的方法。
Starting from straight and level flight after the helicopter passes the pilot, the helicopter is smoothly pulled vertical (Aft Cyclic). 先保持水平直线飞行，当直升机通过操控者后，开始平滑地拉高机头（打升舵），使机头朝上垂直爬升。
The flight quality of Flapping Wing Micro Aerial Vehicle (FWMAV) depends much upon efficient control of flight attitude.So, an accurate model of flight attitude is of utmost importance. 摘要扑翼微型飞行器飞行质量主要取决于能否对其飞行姿态进行有效控制，而建立准确的飞行姿态模型尤为重要。
If the VSI's needle shows a descent (rotates downward), apply a little back pressure on the joystick to return the airplane to level flight. 如果VSI 的针显示下降(转动得向下), 施加一点反压力在控制杆退回飞机到平实飞行。