1.
Analysis of the Factors Affecting the Capacitance Coupling Coefficient of the Star quad in Symmetrical Communications Cables
对称通信电缆星绞四线组电容耦合系数影响因素分析
2.
circuit network
由四端网络组成的线路
3.
Three-phase winding, four-wire connection, ungrounded or grounded.
三相绕组, 四线连接, 接地或不接地。
4.
Two-phase winding, four-wire connection, ungrounded or grounded.
两相绕组, 四线连接, 接地或不接地。
5.
General Solution to a System of Quaternion Matrix Equations
一类四元数体上线性矩阵方程组的解
6.
A plane figure consisting of four points, no three of which are collinear, connected by straight lines.
四边形，四角形由四个角组成的平面图形，没有任何三个点共线，通过直线相连接
7.
A square has four90- degree angles made by its four perpendicular.
一个正方形由四个九十度的直角和四条垂线组成。
8.
Three-phase winding, four-wire connection. Ungrounded or grounded can be specified.
三相绕组, 四线连接。可指定不接地或接地。
9.
Three-phase winding, 4-wire delta connection, ungrounded or grounded.
三相绕组, 四线三角形连接, 接地或不接地。
10.
Three-phase winding, 4-wire delta connection. Ungrounded or grounded can be specified.
三相绕组，四线三角形连接。可指定不接地或接地。
11.
Two-phase winding, four-wire connection. Ungrounded or grounded can be specified.
两相绕组, 四线连接。可指定不接地或接地。
12.
Existence of Positive Solution for Fourth Order Superlinear Singular Semipositone Differential System
一类四阶超线性奇异半正方程组正解的存在性
13.
Glass-fiber covered winding wires--Part 4: Double glass-fiber covered rectangular wires
GB/T7672.4-1987玻璃丝包绕组线第四部分:双玻璃丝包扁线
14.
Digital radiological measurement of midline facial soft tissue thickness of juvenile of chinese han nationality in Sichuan Province.;
四川汉族青少年面部中线软组织厚度的数字X线测量
15.
A DISCUSSION OF THE DEVONIAN TETRACORAL FOSSIL ASSEMBLAGE ZONES AND THE DETERMINATION OF THE BOUNDARY BETWEEN THE MIDDLE AND UPPER DEVONIAN
湖南泥盆纪四射珊瑚化石组合带及中、上泥盆统界线划分
16.
The Minimal Norm and the Least Square Solution to a System of Linear Equations in the Quaternion Field;
四元数体上右线性方程组的极小范数最小二乘解
17.
Mixed Finite Volume Element Method for 4-Order Semi-Linear Parabolic Equations and Its Numerical Simulation
四阶半线性抛物型方程（组）的混合体积元方法及其数值模拟
18.
Research of Mechanical Properties and Calculation Methods for Double-Truss Four-Line Plate-Truss Composite Continuous Steel Trusses
双桁四线板桁组合连续钢桁梁受力性能及计算方法研究