由于卫星已无法接收地面指令，美方尚无法确定它的坠落区域。
Since the satellite can not receive any messages from Earth, where it is going to crash has not been determined.
现有的飞行机器人是由一个地面引航员操作的，但是更小的一款将依照程序的指令自己飞行。
Existing airborne robots are flown by a ground-based pilot, but the smaller versions would fly independently, relying on preprogrammed instructions.
在纽约的拉瓜地亚机场，一名外地的飞行员同事没听到要他到大门转弯的指令，虽是一个小小的失误，但还是惹恼了地面管理人员。
An out-of-town fellow pilot missed a turn to his gate at LaGuardia Airport in New York, a harmless mistake that nonetheless ruffles the feathers of the ground controllers.
地面接收控制处理系统显示飞机所在位置的经纬度、高度和探测资料，并可发出控制指令。
The ground based subsystem can also send command to the aircraft to manipulate its flight in a remote control manner.
可以在地面通过环空压力下达指令，以便同时或选择性地触发取样器。
Samplers can be actuated simultaneously or selectively using surface commands via annular pressure.
根据控制原理，设计了一套从地面控制井下的工具，以实现轨迹控制的指令算法。
By using the algorithm for generating control commands, a downhole tool manipulated on the surface was designed to meet the requirements of the well trajectory control technology.
地面站停止对他们发出指令，以免干扰他们的好梦。
The ground station stop on their orders, so as not to interfere with their dreams.
由此可见，采用地面雷达导航、由地面火控中心发射指令的一维弹道修正方式完全可行，并可以做到低成本，小型化。
This proves that the one-dimensional trajectory amendments mode of ground radar surveillance and progroud fire-control center control is entirely feasible and can achieve low-cost and miniaturization.
同时，旋转导向钻井工具接收由地面发出的指令，并通过稳定平台单元调控工作液来控制分配单元中的上盘阀高压孔的位置。
The unit for controlling and assigning working liquid takes the filtered mud as the working liquid distributed in three mud pipes in turn.
同时，旋转导向钻井工具接收由地面发出的指令，并通过稳定平台单元调控工作液来控制分配单元中的上盘阀高压孔的位置。
The unit for controlling and assigning working liquid takes the filtered mud as the working liquid distributed in three mud pipes in turn.
应用推荐