您要查找的是不是：
- The fuel rich propellant used for the unchoked ram rocket should has high burning rate exponent, appropriate burning rate, low flammability limit and steady combustion properties. 分析结果表明：非壅塞式固体火箭冲压发动机要求贫氧推进剂具有高的燃速压强指数、低的可燃极限和足够好的燃烧稳定性。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- The farmer keeps one ram and five ewes on his farm. 农夫在农场里养了一只公羊，五只母羊。
- They planned to send a rocket to the moon. 他们计划向月球发射火箭。
- ram rocket 冲压火箭发动机,复合冲压火箭发动机
- That fellow may like that, but I'll get even with ram yet. 那家伙自以为得意，但我总会找他算帐的。
- Imagine a rocket that can travel at the rate of light! 想象一下能以光的速度飞行的火箭。
- A rocket manned by trained astronauts will launch soon. 载有受过训练的宇航员的火箭马上就要发射了。
- Scientists have computed the probable course of the rocket. 科学家利用计算机计算了火箭可能运行的轨道。
- The rocket did one circuit of the earth and returned to base. 火箭绕地球运行一周后返回基地。
- An aircraft takeoff aided by an auxiliary jet or rocket. 助飞用喷气机或火箭帮助航空器起飞
- This ram is throwing good stock. 这只公羊生的羊羔好。
- A rocket can bring back information which we could never get in any other way. 火箭能够带回我们用其他方法得不到的资料。
- A pet lamb will make a cross ram. 一只宠坏了的小羊他日会成为一只蛮横的大羊。
- Dynamic RAM's need to be refreshed periodically. 动态RAM则需要周期性地刷新数据。
- We sent an unmanned rocket into earth orbit. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- Primary memory is known as random access memory(RAM) and simple named memory. 主存储器又称为随机存取存储器，简称内存。
- The rocket punched its way out of the atmosphere. 火箭猛力冲出大气层。
- Ram waved his hand to dismiss us. 罗姆挥挥手让我们出去。
- We will launch the moon rocket next week . 下星期，我们将发射月球火箭。
