Singular point and center conditions for a quintic polynomial system;
一类五次多项式系统的奇点量与中心条件
Singular point quantities and center conditions at the infinity for a class of cubic polynomial system;
一类3次多项式系统无穷远点的奇点量与中心条件
This paper studied the center conditions at the equator for a class of cubic polynomial system with no singular point at the infinity.
研究了一类三次系统无穷远点的中心条件。
The first 55 singular point quantities for the infinity were computed by computer algebra system Mathematica,and the center conditions for the infinity were derived at the same time.
研究一类五次多项式系统无穷远点的中心条件与赤道极限环分支。
For a class of polynoimial systems, algorithms for deriving two kinds of symmetric conditions are given, and the center conditions for generic cubic systems is investigated in detail.
对于一类多项式系统,给出两类对称条件的推导算法,具体讨论了一类三次系统的中心条件;对于Poincare型系统,给出一类等时中心的充分条件。
This paper has discussed the basis of document integration theory, expounded the management models, and discussed the relation between document integration theory and the development of document centers.
本文就文档一体化理论依据、管理模式等方面进行了阐述,对文档一体化理论和文件中心的发展之间的关系进行讨论;以文件生命周期理论为线索,对文档一体化和文件中心进行分析,指出了在我国进行文档一体化改革和建立文件中心具有必要性、可行性。
The Control System Design of the Special Numerical Control Machine Which Machines the Center Hole of Axis Parts;
轴类零件中心孔加工专用机床控制系统设计
PRINCE (Parts Reliability Information Center)
零件可靠性情报中心
The Construction of the SPX Center for Auto Parts Exports
出口汽车零部件工业分包中心的建设
Beijing University of Science and Technology
北京科技大学机械工程学院零件轧制研究中心
Influence of the Axle s Precision about the Centerhole s Cone area;
中心孔锥面面积对轴类零件加工精度的影响
Research on Structural Design Method of Complex Parts of CNC Turning Center
数控车削中心复杂零件结构设计方法研究
The research on FANUC 0i-TC CNC turning center HTC2050z processing outline of the cylinder parts
FANUC 0i-TC数控车削中心加工柱面轮廓零件的研究
Typical Parts Processed in the Dual-spindle Turning Centers
双主轴双刀塔车削中心上典型零件的加工
I'm thinking of having parts of electrical machines or apparatuses
我有意在中国加工零件、
Research on the End Face Contour Parts Processing by NC Lathe using Polar Interpolation Method
极坐标插补法在车削中心上加工端面轮廓零件的方法
Threaded mandrel's in high proper alignment request components lathe work application
螺纹心轴在高同轴度要求零件车削加工中的应用
center zero instrument
刻度盘中心为零的仪表
Automobile and motorcycle spare parts, crankshafts, connecting rods, shafts, power steering shafts.
汽机车零件–轴、杆、轴及动力方向盘轴心.
Type-selection Design of Hard-core Parts of Jet Pump Based on VB
基于VB射流泵的核心零件选型设计
The TDC also intensified efforts to promote Hong Kong as a sourcing and distribution centre for non-traditional exports, such as auto parts and accessories.
此外，贸易发展局亦加强宣传香港作为非传统出口货品(例如汽车零件和配件)的采购及分销中心。
One of the particular maze-design subassembly among the parts is used to prevent leakage.
零件中的一个特殊迷宫式组件来止漏。
The centre is expected to be in operation from early 2002.
香港设计中心预计于二零零二年年初使用。
* a leading international supplier of high value-added products and components in areas where Hong Kong already excels today;
＊全球主要高增值产品和零件供应中心，范围集中於目前香港已经享有优势的行业；