传感器节点坐标校正
sensor node coordinate calibration
6自由度坐标模型
coordinate model of 6 degrees of freedom
Y坐标记录器
community care for the old
极坐标方法
Polar coordinates method
the method of polar coordinate
光学坐标测量
optical coordinate measuring
optical coordinate measurement
激光坐标定位
Laser coordinate determination
路线坐标计算
Route coordinates calculating
离散坐标方法
discrete ordinate method
discrete-ordinates method
极坐标位控
polar coordinates control
极坐标记录仪
polar coordinate recorder
地心固连坐标系
earth centered fixed coordinate frame