Transactions of Beijing Institute of Technology 1983 Issue 1 On The Behaviour of Trajectories of Differential Equation （dy）/（dx）=（Y<sub>2</sub>+Y<sub>3</sub>）/（X<sub>2</sub>+X<sub>3</sub>）in The Neighbourhood of Origin O

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Transactions of Beijing Institute of Technology
1001-0645
1983 Issue 1

On The Behaviour of Trajectories of Differential Equation （dy）/（dx）=（Y₂+Y₃）/（X₂+X₃）in The Neighbourhood of Origin O
Ge Weigao

..............page:1-16

A study of Electron-optical Inverse Design for the Electrostatic Focusing Image System
Zhou Li-wei Pan Shun-chen Ai Ke-cong

..............page:17-34

Calculation of Astigmatism Formed by Tiny Light Beam on Holographic Optical Element (HOE)
Chen Huangming

..............page:35-42

A Method of Reducing Multipul-Output Switching Functions
Fan Xiaozhoug

..............page:43-54

Optimum Design of An Elliptical 3dB Hybrid Ring
Li Zhong Yan

..............page:55-70

A Method of Modal Parameters Indentification of Machine Tool Vibration Through the Impulse Response
Wang Xin yi

..............page:71-87

Optimization in the Design of Fuze Setback Systems
shi geng chen ; ma bao hua ;

..............page:88-98

On the Quantitative Evaluation of the Pedagogical Process Discussion and Practice
He Xianzhong

..............page:99-107