在同一单位序列(Unit£of£Order)上的消息,当其中一个消息被消费者处理后,其他未处理的消息将会()。
A.Expired
B.Blocked
C.Delivered to the consumers
D.Rolledback
A.Expired
B.Blocked
C.Delivered to the consumers
D.Rolledback
你在一个有三个消费者组成的市场上销售产品1和产品2。三个消费者的保留价格如下:
各产品的单位成本为30美元。
(1)对分开销售两种产品、纯捆绑销售和混合捆绑销售,分别计算价格和利润。
(2)哪种策略是最有利可图的?为什么?
You are selling two gods, I and 2, to a market consisting of three consumers with reservation prices as follows :
The unit cost of each product is $ 20.
a. Compute the optimal prices and profits for (i) selling the goods separately, (ii) pure bundling, and (iii) mixed bundling.
b. Which strategy is most profitable? Why?
A.限制性内切酶的识别位点一般是相同碱基排列的序列
B.主要存在于原核生物中
C.有些限制酶对同一DNA底物上不同酶切位点的切割速率是相同的
D.同裂酶两种酶切割序列不完全相同,但却能产生相同的粘性末端,而同尾酶识别核苷酸顺序项同但切割位置不一定相同