{{B}}Passage 2{{/B}}What is the main idea about the passage A.Placing a satellite into orbit.B.Multistage rockets.C.Launching some satellites from aircraft.D.Rocket launching. 相关知识点: 试题来源: 解析 D 文章第一段,是统领全文。第二段注意“The first stage of a multistage rocket...
What is Meco rocket? MECO may stand for: Mactan Electric Company. Main engine cutoff, the shut-off of the first stage in a multistage rocket. Magnetospheric eternally collapsing object, a theoretical alternative to a black hole. What does Mecca mean slang? Because this city near the Red Sea...
[01:50.96]Hypersonic glide vehicles launch from a rocket. [01:55.72]The glide vehicle then separates from the rocket [01:59.92]and "glides" at speeds of at least Mach 5 toward a target. [02:05.96]Hypersonic cruise missi...
NASA is embarking on a yearslong, multistage, groundbreaking mission to the moon. Here's why NASA is returning to the moon, who's going, what technology is enabling the mission, and more.
D.Rocket launching. A. Placing a satellite into orbit requires a tremendous amount of energy, which is achieved from multistage rockets burning chemical fuels. B. The first stage of a multistage rocket consists of rocket engines that provide a huge amount of force. The first stage lifts the...
The first stage of a multistage rocket that provides the thrust for liftoff and the initial flight A motor-generator set used for voltage regulation in direct current electrical power circuits. Someone who is a fan or supporter of something. * 2012 , The Economist, Lexington: A fiscal haw...
Cultureshockis the personal disorientation a person may feel whenexperiencingan unfamiliar way of life due to immigration or a visit to a new country or to a move between social environments also a simple travel to another type of life. One of the most common causes ofcultureshockinvolves ind...
区间线路上施工撤除移动停车信号防护的程序是（ ）。(1)作业负责人检查确认线路已达到放行列车条件(外单位施工的还需设备管理单位监督检查人员共同检查确认)；(2)通知现场防护员撤除作业地段的移动停车信号；(3)通知车站开通线路。
MINMultistage Interconnection Network MINMinimally Invasive Neurosurgery MINMarketing Information Network MINMedical Information Network MINMarché Immobilier des Notaires(French) MINMaterials in Inventory MINMichigan Information Network MINMango Information Network(Philippines) ...