2009年,美国提供全方位服务的餐馆的销售额下降了6%以上,但快餐连锁店的总销售额却保持不变。
In 2009 sales at full-service restaurants in America fell by more than 6%, but total sales remained about the same at fast-food chains.
福西厄斯•墨卡托的投影于1569年问世,马上就派上了用场,因为它把不变的方位描绘为直线,这对航海非常方便。
Gerardus Mercator's projection, published in 1569, was immediately useful because it depicts a line of constant bearing as a straight line, which is handy for Marine navigation.
并利用图像质心不变的假设,解决了线性相位引起的图像方位位置偏移问题。
More, based on the assumption that image cancroids is changeless, we resolve the image azimuth shift problem caused by linear phase errors.
使用者原本可以依赖恒定不变的菜单来掌握在屏幕上的方位,菜单的改变彻底冲走了这种依赖感。
Users depend on the permanency of menus to help keep them oriented on the screen. Changing the menus bleeds away this reliability.
提出一种以目标检测、目标分割、目标方位角估计和目标不变性特征提取为线索的SAR目标识别框架。
We propose a multistage SAR target recognition process based on target detection, target segmentation, target aspect estimation and invariant feature extraction.
根据回波信号的方位向特性,又可分为方位平移不变型和方位平移可变型两种。
According to the azimuth property of the echo data, they can also be divided into the azimuth-invariant configuration and the azimuth-variant configuration.
所有的地球同步卫星都在赤道上空35,785km高度运行,相对于地面观测者来说,它们的方位角和高度角是始终不变的。
All geostationary satellites orbit the earth in the equatorial plane at a height of 35,785 km above the equator and stand still at a fixed azimuth and altitude for an observer on the earth surface.
所有的地球同步卫星都在赤道上空35,785km高度运行,相对于地面观测者来说,它们的方位角和高度角是始终不变的。
All geostationary satellites orbit the earth in the equatorial plane at a height of 35,785 km above the equator and stand still at a fixed azimuth and altitude for an observer on the earth surface.
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