projectionaladj.投射(凸出；投影；计划；预测；具体化)projectionn.投影；投射；规划；发射；凸出物；预测；放映projection elevation angle投影仰角projection experimentation投射测试projection reduction scale投影缩小比例projection microradiograph投影显微射线照相术Projection-initialization投影初始化projection cathode ray tube投射式显像管projection microradiography投影显微射线照相术projection minimum distance投影最小距离projection connection space射影联络空间projection-valued measure射影值测度