upper stage
美式发音: 英式发音:un.前期；上一级
网络释义：上面级；上一阶段；上节
网络释义
un.1.前期2.上一级
1.上面级 ... upper part of stage 舞台上空 upper stage 上一阶段 upper-stage base 上级底座 ...
3.上节LCROSS Centaur 上节（upper stage）火箭所造就的冲击自陨石坑物质底创造出二个部份的羽状物。第一部份是角度较高的蒸 …
例句释义:,前期,上一级,上面级,上一阶段,上节1.In short, we here see a people which had just raised itself from the middle to the upper stage of barbarism.一句话，我们在这里所看到的，是一个刚从野蛮时代中级阶段进到高级阶段的民族。
2.The X-34 has a reusable lower stage and an expendable upper stage, and is designed to reduce the cost of launching small satelptes.34具有一个可以重复使用的下部一级火箭和一个消耗性的上部一级火箭，其设计目的在于降低发射小卫星的成本。
3.The upper stage was able to reach then-record altitudes of almost 400 kilometers, higher than even modern Space Shuttles fly today.上层火箭可以到达海拔400公里的高度，这是当时的纪录。甚至连现代航天飞机都不及。
4.it was the model constitution of the upper stage of barbarism.这是野蛮时代高级阶段的典型制度。
5.The Shepherding Spacecraft built by our partner Northrop Grumman guides the Centaur upper stage to the target.领头太空船，我们的合作伙伴诺斯罗普格鲁曼公司，引导半人马座上面级到目标上。
6.The upper stage will have a smaller engine, says Meng, without giving details.上面级将有一个更小的发动机，孟说，没有透露更多细节。
7.The Centaur upper-stage rocket impacted the moon shortly after 7: 30 a. m. ET, and the satelpte followed it four minutes later.半人马号末级火箭于东部时间早上7点30分稍过撞击了月面，卫星在四分钟之后撞击。
8.The Upper- stage and Lower- stage Selective Protection of the Electric Apppances on the Low- voltage Distribution Line低压配电线路保护电器的上下级保护选择性
9.The Implementation of the Control System of Precision Stepless Dimmer on the Upper Stage Computer精密无级减光器控制系统的上位机实现
10.The New Light-Duty Pressurization System for Upper Stage of the Launch Vehicle and Spacecraft一种新的运载火箭上面级和航天器轻型增压系统