火箭

• Did one of the solid rocket boosters somehow burn through its casing ?
  是否是其中一个助推火箭的外壳因某种原因被烧穿？
• Rockets were given the deadly job of carrying explosive charges great distances .
  火箭承担了远距离运送爆炸物的杀人使命。
• The v-2 pushed the two-stage rocket to an altitude of 20 miles and then broke away .
  V2将第二级火箭推到20英里的高度，然后脱落。
• Now, in addition to the rocket belt, there are experiments with a turbine belt .
  现在，除了火箭背带之外，还进行了涡轮机背带的实验。
• As the rocket gets farther into space, the earth's atmosphere is left behind .
  随着火箭越来越远地进入空间，地球的大气就被抛在后面。
• At 25, 000 miles per hour our rocket will escape from the earth's pull .
  在每小时25，000英里的速度下，我们的火箭就会脱离地球的引力。
• Rockets use a system known as telemetry to relay their information to earth .
  火箭用一个称为遥测技术装置的系统，把它们的信息传给地面。
• Like the big guns of former days, they can be towed or driven to battle sites .
  这种火箭像过去的大炮那样，可用车辆牵引或运载到战场上去。
• An american, william hale, assembled a vastly improved rocket in 1846 .
  一个叫威廉黑尔的美国人，在1846年组装了一枚经过大大改进的火箭。
• Highly developed control systems could guide these rockets with astounding accurancy .
  高度发展的控制系统能够以极高的精确度制导这些火箭。