【单选题】The Carnegie Foundation report says that many colleges have tried to be 'all things to all people'. In doing so, they have increasingly catered to a narrow-minded careerism while failing to cultivate ...
A.
satisfy the needs of all kinds of students simultaneously
B.
focus on training students in various skills
C.
encourage students to take as many courses as possible
D.
make learning serve academic rather than productive ends
【多选题】操作变量的选择时应该遵循一定的原则,下列说法正确的是( )
A.
操作变量在工艺上是允许调节的、可以控制的变量
C.
操作变量的作用比其它干扰对被控变量的影响更加灵敏
D.
干扰通道的放大系数尽可能小些,时间常数尽可能大些
【多选题】操作变量选择的原则
C.
生产过程中对被控变量有所影响的变量都可以作为操作变量
【单选题】被控变量的选择原则下面哪种说法不合理?
A.
被控变量应能代表一定的工艺操作指标或是反映工艺操作状态的重要变量
B.
被控变量应是能测量的,并具有较大灵敏度的变量
D.
被控变量应尽可能选择工艺生产过程的直接控制目标,当无法获得直接控制指标信号,或其测量或传送滞后很大时,可选择与直接控制指标有单值对应关系的间接控制指标
【判断题】广义信息系统是指以对信息进行收集、整理、转换、存储、传输、加工和利用为主要目的和特征的客观系统。
【单选题】The Carnegie Foundation report says that many colleges have tried to be 'all things to all people'. In doing so, they have increasingly catered to a narrow-minded careerism while failing to cultivate ...
A.
satisfy the needs of all kinds of students simultaneously
B.
focus on training students in various skills
C.
encourage students to take as many courses as possible
D.
make learning serve academic rather than productive ends
【简答题】请使用SWOT分析方法帮助决策者根据企业自身和外部环境的特点,为整个企业或企业中的某个部门确定其经营活动的基本方向和内容。
【单选题】患者女,反复发作右上腹绞痛3个月,并向右肩部放射。右上腹轻度压痛,肝不大,未扪及包块。首选的检查是