【单选题】为保证凸轮机构良好传力性能,应使轮廓上的最大 _ 不超过许用值。
【单选题】The main issue in the design of process layouts for service operations concerns the relative positioning of:
B.
processing components.
D.
entrances, loading docks, etc.
【简答题】某小区由两个消费者A与B构成,他们对小区保安服务的需求曲线分别是: , 。假定小区保安服务的供给成本为 ,要求: A. 若小区保安服务作为公共物品提供,请计算总需求函数、均衡数量与价格。 B. 若小区保安服务作为私人物品在竞争性市场中提供,请计算总需求函数、均衡数量与价格。
【简答题】某产品的需求函数和总成本函数分别为 ,求边际利润函数,并计算 =150 和 =400 时的边际利润.
【单选题】Which of the following is not a characteristic of service operations?
D.
easy measurement of productivity
E.
low uniformity of output
【单选题】You are developing a Windows Communication Foundation (WCF) service.One of the service operations contains the following code.private static int counter = 0;[OperationContract]public void IncrementCou...
A.
[ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Single)]
B.
[ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession, ConcurrencyMode = ConcurrencyMode.Single)]
C.
[ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Multiple)]
D.
[ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall, ConcurrencyMode = ConcurrencyMode.Reentrant)]
【单选题】为保证机构具有良好的传力性能,在凸轮设计时,应使轮廓上的最大( )不超过许用值。