DDJ怎么读

The feature of DDJ data management, the theory of master-slave transformation, the technique of global stiffness matrix assemblage and the formation of external force vectors are described in the text.

文中还叙述了DDJ程序中数据管理的特点，主从关系转换的理论，总刚度阵拼装的技巧和方程右端项的形成办法。

After proper pretreatment, fines of pulp can be prepared by the way of Bauer-McNett classifier method, DDJ sieving method and wet-sieving method.

纸浆细小纤维的制备可以先对纸浆适当预处理，然后采用筛分仪筛分法、DD J筛分法、湿筛分法等方法进行。

From the impulse response of a digital serial communication channel, this paper gets the mathematic expression for the data dependence jitter ( DDJ) crossing unique threshold.

由信道响应函数建立方程，求过判决门限时刻的解得到信道中数据依赖型抖动（DDJ）的数学计算公式。