位置水头表示的是()从基准面算起所具有的()。
A.单位质量的流体;位置势能
B.单位质量的流体;重力势能
C.单位重量的流体;位置势能
D.单位重量的流体;重力势能
参考答案:C
MIMD systems can be classified into (1) -oriented systems, high-availability systems and response-oriented systems. The goal of (1) -oriented multiprocessing is to obtain high (1) (2) minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce (3) and (4) loading of system (5)
A.resource
B.resources
C.source
D.sources
客户关系的维护是指企业通过努力来巩固及进一步发展与客户()、()关系的()过程和策略。