您要查找的是不是：
- Exact measurement of micro-thrust is one of pivotal technologies of studying electric rocket. 微小推力準確測量是研究電火箭的關(guān)鍵技術(shù)之一。
- Abstract: Introduces a method to eliminate influence of power supply and air-feed system on exact measurement of micro-thrust of electric rocket in the gravity field, so micro-thrust can be measured accuratelg and automatically. 文摘:介紹了在重力場(chǎng)中，消除電火箭自重及其供電供氣系統對微小推力測量影響的方法，從而實(shí)現電火箭微小推力自動(dòng)準確的測量。
- Then, by choosing the control weighted matrix R reasonably, the constrained optimization problem as formation keeping with electric rocket propellant can be transformed into the unconstrained optimization to be solved. 然后通過(guò)合理的選擇控制加權矩陣R,用無(wú)約束的線(xiàn)性二次型優(yōu)化方法解決了電推力火箭有控制約束的優(yōu)化問(wèn)題。
- Our pilotless rocket enters the track of the earth. 我們把一個(gè)無(wú)人駕駛的火箭送入了地球的軌道里。
- The State-of-Art and Application of Electric Rocket 電火箭的研究現狀與應用分析
- Be he a civil engineer or an electrical engineer? 他是土木工程師還是電氣工程師？
- They planned to send a rocket to the moon. 他們計劃向月球發(fā)射火箭。
- There are some electrical apparatus in the room. 房間里有些電器。
- There is a fault in the electrical system. 電路系統出了故障。
- He is an electrical technician by profession. 他的職業(yè)是電工技師。
- Imagine a rocket that can travel at the rate of light! 想象一下能以光的速度飛行的火箭。
- All this electrical wiring will take a day to set up. 所有這些電線(xiàn)架線(xiàn)要花一天時(shí)間安裝好。
- A rocket manned by trained astronauts will launch soon. 載有受過(guò)訓練的宇航員的火箭馬上就要發(fā)射了。
- Scientists have computed the probable course of the rocket. 科學(xué)家利用計算機計算了火箭可能運行的軌道。
- The rocket did one circuit of the earth and returned to base. 火箭繞地球運行一周后返回基地。
- The Emitter Life Research of Hollow Cathode in Electric Rocket 電火箭空心陰極發(fā)射體壽命研究
- An aircraft takeoff aided by an auxiliary jet or rocket. 助飛用噴氣機或火箭幫助航空器起飛
- Now electrical appliances have entered into ordinary families. 現在家用電器已經(jīng)步入普通家庭。
- A rocket can bring back information which we could never get in any other way. 火箭能夠帶回我們用其他方法得不到的資料。
- Don't meddle with the electrical wiring: you're not an electrician. 別瞎動(dòng)電線(xiàn)線(xiàn)路，你又不是電工。
