two-stage rocket的意思|示意

NASA plans to use a five-segment shuttle booster as the first stage of its Ares I rocket, one of two being designed as part of the post-shuttle Constellation program.

NASA计划用五级航天飞机助推火箭作为Ares I火箭的第一级，Ares i是淘汰航天飞机后的星座计划使用的两种火箭之一。

The two-stage Naro rocket operated normally during and after liftoff from the country's space center, Minister of Education, Science and Technology Ahn Byong-man said.

韩国教育、科学和技术部长安秉万称，“罗老”号二级火箭在自太空中心发射前后运作正常。

One foreign rocket engineer calculates that the Long March 7 would need two of the 18-ton engines for its second stage.

一位外国火箭工程师的计算，长征7条将需要其第二阶段的18吨重的两个引擎。

The two-stage rocket, called Korea Space Launch Vehicle I or KSLV-I, blasted off at 5 p.m. into blue skies from the seaside Naro Space Center, near the city of Goheung on the country's south coast.

被称作“韩国航天运载器一号”的两级火箭是周二下午5时从韩国南部海岸高兴郡的罗老宇航中心发射升空的。

It's a two stage, 15 ton, solid fuel rocket that could instead carry a half ton penetrating, high-explosive warhead, along with the special guidance system (a radar and image recognition system).

它是一种二级、重量15吨固体燃料推进火箭可以改为携带一枚重量半吨的侵彻、高爆弹头，连同专用制导系统一起(一套雷达和图像识别系统)。

The rocket consists of a giant core stage flanked by two solid rocket boosters, each slightly larger than the first stage of Ares I.

火箭有一个巨大的核心，两侧是两个固体火箭助推器，每个比战神i的第一级稍微大一些。