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Exact measurement of micro-thrust is one of pivotal technologies of studying electric rocket. 微小推力准确测量是研究电火箭的关键技术之一。
This paper introduces a miniature electric field sensor (EFS) using dual piezoelectric ceramics bars as driving structure. 摘要一种新型的，以压电陶瓷条为驭动、硅为屏蔽和感应电极的微型电场传感器。
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:介绍了在重力场中，消除电火箭自重及其供电供气系统对微小推力测量影响的方法，从而实现电火箭微小推力自动准确的测量。
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. 然后通过合理的选择控制加权矩阵R,用无约束的线性二次型优化方法解决了电推力火箭有控制约束的优化问题。
Fitting is used for autobicycle start electrical machiney, Car forced convection air heater, Electric tool electrical machiney waits for miniature electrical machiney rotor slot insert empire paper. 适用于摩托车起动电机、汽车暖风机、电动工具电机等微型电机转子槽插入绝缘纸。
The State-of-Art and Application of Electric Rocket 电火箭的研究现状与应用分析
The Emitter Life Research of Hollow Cathode in Electric Rocket 电火箭空心阴极发射体寿命研究
I drank a miniature bottle of brandy last night. 我昨晚喝了一小瓶白兰地。
He showed me the miniature of the mansion. 他给我显示了大厦的模型。
miniature electrical machinery axle 微型电机轴
He owns a detailed miniature of the Titanic. 他有一艘泰坦尼克号的精致小模型。
She is just like her mother in miniature. 她简直是她母亲的缩影。
It's quite clear that the electric car is technically feasible. 电动汽车明显在工艺技术上是可行的。
Industry is a heavy user of electric power. 工业需耗费大量的电力。
Prosperous profit miniature electrical machinery plant 瑞安市昌利微型电机厂
Never poke a finger or scissors into an electric socket. 千万不要把手指或剪刀插进电源插座。
The machines are driven by electric motors. 这些机器都是由电动机驱动的。
She buy an electric toaster this morning. 今天上午她买了一个烤面包片的电炉。
It's a conduit enclosing insulated electric wires. 这是包电线的导管。
A lot of electric lamps illumined the stage. 舞台由许多电灯照亮。