Scientists at the Centers for Disease Control and Prevention tested the formula for the presence of perchlorate, a chemical used as the main ingredient in solid rocket fuel.
疾病预防控制中心的科学家专门针对高氯酸盐对配方奶进行了检测。
But once a solid-fuel rocket is ignited, it is off like a firework and keeps going until all the fuel is burned up.
但是一旦固体燃料火箭发动机被点燃，它将象二踢脚一样发射出去并一直跑，直到全部燃料烧完为止。
Bathed in xenon spotlights, the white spaceship, attached to its twin solid rocket boosters and orange external fuel tank, crept 3.4 miles on the back of an enormous tractor called the Crawler.
沐浴着氙气聚光灯光，白色的飞船，带着一对固体火箭推进器和橙色外挂燃料箱，在称为“爬行者”的巨大拖拉机上缓慢行驶了3.4英里。
But in launch position, the orbiter is perched on the side of its 15-story external fuel tank and flanked by two solid rocket boosters.
但在发射点，轨道器一面是15层楼高的外挂燃料箱，两侧是两个固体火箭助推器。
Solid-fuel rockets, in which the fuel and oxidiser are pre-mixed into a stable, solid propellant and then packed inside the case of the rocket, are simpler, lighter and relatively safer.
固体燃料火箭发动机的构造更简单、分量更轻，而且相对更安全。 在固体燃料火箭发动机里，燃料和氧化剂被预先混合成稳定的液态推进剂，然后被塞满火箭发动机的燃料箱里。
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)。
In a solid-fuel rocket the reaction of fuel mixture is relatively slow and steady rather than explosive.
在使用固体燃料的火箭中，燃料混合物的反应比较缓慢而稳定，而不是爆发性的。
Space shuttle Atlantis is lowered alongside its external fuel tank and solid rocket boosters in High Bay-1 of NASA's massive Vehicle Assembly Building.
亚特兰蒂斯号航天飞机的同时降低其外部燃料箱和高湾，美国航天局的大型交通工具装配大楼1固体火箭助推器。
Solid-fuel rocket engines have a much larger capacity than liquid-fueled iterations.
中国已在西北部城市西安完成最大的固体燃料火箭发动机点火测试。
China has completed the test ignition of its largest solid-fuel rocket motor in the northwest city of Xi 'an.
中国已在西北部城市西安完成最大的固体燃料火箭发动机点火测试。
With a diameter of three meters, the solid-fuel rocket motor ran for 100 seconds after ignition.
中国已在西北部城市西安完成最大的固体燃料火箭发动机点火测试。
With a diameter of three meters, the solid-fuel rocket motor ran for 100 seconds after ignition.
中国已在西北部城市西安完成最大的固体燃料火箭发动机点火测试。
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