No adapter plate is used with this coupling. J represents distance above reference point Y (top of mount bracket).
用这种连接器就不需要连接垫板。J代表距离参考点y的距离(安装托架顶部)。
2
The evolution opera tor, the reduce density operator and the dynamical properties of the field entropy evolution in the intensity - dependent coupling multiphoton J - C model are studied.
研究了依赖强度耦合多光子J—C模型的演化算符，约化密度算符及其场熵特性。
3
DING Hong, WU Jian-Yong. The vitro study of the influence of different silane coupling agents and adhesive materials on shear bond strength of metal brackets to porcelain surface [J].