皮皮学，免费搜题
登录
搜题
【单选题】
系统设计是在充分应用系统分析阶段的成果的基础上,解决新系统( )的问题,最终构建出新系统的物理模型。A.
“做什么”
B.
“怎样做”
C.
逻辑模型设计
D.
硬件构建方案
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When economies of scale exist:
A.
per unit production costs increase as output expands.
B.
per unit production costs decline as output expands.
C.
marginal cost must decrease as output expands.
D.
per unit production costs remain constant as output expands.
【单选题】Economies of scale occur when
A.
long-run average total costs rise as output increases.
B.
long-run average total costs fall as output increases.
C.
average fixed costs are falling.
D.
average fixed costs are constant.
【简答题】(1)将对应的事项连线。 营业执照 设立税务登记 变更工商登记 变更税务登记 注销税务登记 注销工商登记
相关题目：