一般红绿灯是安置在人们视线高度的地方，但是都市规划者注意到人们常低头使用智慧型手机，因此将号志灯装设在地面上更为安全。
Although the lights are usually mounted at eye level, city planners noticed that people were using smartphones so much that it would be safer to install them in the ground.
在联邦航空局的准则里有，像安德森先生和他的客户们娱乐飞行，必须使无人机在400英尺以下高度飞行，远离其它飞机而且在操纵者的视线之内飞行。
Under F. A. A. guidelines, recreational fliers like Mr. Anderson and his customers must keep unmanned aircraft lower than 400 feet, away from other aircraft and within the operator's sight.
除了作为采光和通风的窗户的基本功能，考虑到孩子们的视线和活动我们创造了许多不同高度和深度的窗户。
In addition to the basic functions of Windows for light and ventilation, we made Windows of various depths and heights in consideration with children's eye level and activities.
纹理映射之后生成能以任意视线方向观察的高度真实感特定人脸。
Then, after texture mapping, a virtual face is brought which can be observed in any direction and can make different expressions by combining different muscular vectors' motion.
如果人们的视线正好落在电视屏幕中心，就说明电视柜的高度适宜。
If the line of sight of people fall on the TV screen center, is highly suitable for the television cabinet.
其高度经过精确计算，以使其能成为海岸的延伸，并且确保内陆部分对于滨海景观的视线不受影响。
Its height is calculated to achieve continuity with the shore and to ensure that inland views of the waterfront remain unobstructed.
在导引头视场角不变的前提下，减小高度表阈值也能够避免障碍物对导引头视线的遮挡，有助于捕获目标。
If the view-area Angle of seeker is changeless, the reducibility of the threshold of altimeter will avoid that remora keeps out the LOS of seeker. This helps to capture the target.
在导引头视场角不变的前提下，减小高度表阈值也能够避免障碍物对导引头视线的遮挡，有助于捕获目标。
If the view-area Angle of seeker is changeless, the reducibility of the threshold of altimeter will avoid that remora keeps out the LOS of seeker. This helps to capture the target.
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