First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始的是涡轮喷射，目前已淘汰；然后是涡轮螺旋桨，现在仍可在飞机上看到。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

配备有C-和 S-波段的单脉冲跟踪雷达，激光距经纬仪和跟踪系统，速系统和舰载计算机去跟踪和控制宇宙飞。

First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始的引擎是涡轮喷射式，目前已淘汰；然后是涡轮螺旋桨式引擎，现在仍可在飞机上看到。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

测量船配备有C-和 S-波段的单脉冲跟踪雷达，激光测距经纬仪和跟踪，测和舰载计算机去跟踪和控制宇宙飞船。

First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始的引擎是涡轮喷射式，目前已淘汰；然后是涡轮螺旋桨式引擎，现仍上看到。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

测量船配备有C-和 S-波段的单脉冲跟踪雷达，激光测距经纬仪和跟踪系统，测速系统和舰载计算去跟踪和控制宇宙船。

First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始的涡轮喷射式，目前已淘汰；然后涡轮螺旋桨式，现在仍可在飞机上看到。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

测量船配备有C-和 S-波段的单脉冲跟踪雷达，激光测距和跟踪系统，测速系统和舰载计算机去跟踪和控制宇宙飞船。

First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始的引擎是涡轮喷射，已淘汰；然后是涡轮螺旋桨引擎，现在仍可在飞机上看到。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

测量船配备有C-和 S-波段的单脉冲跟，激光测距经纬仪和跟系统，测速系统和舰载计算机去跟和控制宇宙飞船。

First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始的引擎是涡轮喷射式，目前已淘汰；然后是涡轮螺旋桨式引擎，现在仍可在飞机上看到。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

测量船配备有C-和 S-波段的单脉冲跟踪雷达，激光测距经纬仪和跟踪系统，测速系统和舰载计算机去跟踪和控飞船。

First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始的引擎是涡轮喷射式，目前已淘汰；然后是涡轮螺旋桨式引擎，现在仍可在飞机上看到。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

量船配备有C-和 S-波段的单脉冲跟踪雷达，激光距经纬仪和跟踪系，系和舰载计算机去跟踪和控制宇宙飞船。

First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始的引是涡轮喷射式，目前已淘汰；然后是涡轮螺旋桨式引，仍可飞机上。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

量船配备有C-和 S-波段的单脉冲跟踪雷达，激光距经纬仪和跟踪系统，速系统和舰载计算机去跟踪和控制宇宙飞船。

First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始引擎是涡轮喷射式，目前已淘；是涡轮螺旋桨式引擎，现在仍可在飞机上看到。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

测量船配备有C-和 S-波段冲跟踪雷达，激光测距经纬仪和跟踪系统，测速系统和舰载计算机去跟踪和控制宇宙飞船。