【单选题】船用无刷交流同步发电机的励磁方式属于 ,大多采用旋转电枢式小型 发电机作为励磁机。
【单选题】FOB means _________.
【判断题】从用户的角度,软件生存周期分为定义软件、获取软件、使用软件三个阶段,
【多选题】质量管理通常包括质量方针、质量方针的建立以及( )。
【判断题】船用无刷交流同步发电机的励磁方式属于自励式,大多采用旋转电枢式小型直流发电机作为励磁机。
【单选题】微机中读写控制信号的作用是 ______。
【单选题】FOB destination means that:
A.
Ownership of the items being purchased changes when the goods arrive at the seller’s place of business.
B.
Ownership of the items being purchased changes when the goods arrive at the buyer’s place of business.
C.
Ownership of the items being purchased changes when the goods leave the seller’s place of business.
D.
Ownership of the items being purchased changes when the goods leave the buyer’s place of business.