因此用 “ 外生压轴承 ” 一词更佳.The term " externally pressurized bearings " is therefore to be preferred.外生变量可以包括内生变量的后滞值.Exogenous variables can include lagged values of endogenous variables.它意味着外生的铀进入到沙岩中.It includes epigenetic ur...
CDMA is the main feature of modern mobile communications.以CDMA为 多址复用方式是现代移动通讯的主要特征.Today , in CDMA communication system, we use duality sequence as address code.在CDMA通信系统中, 主要使用二元序列作为地址码.Therefore, MC - CDMA and its key ...