A.设备各润滑部位的油质满足要求,油量满足要求
B.各导轨面、金属结构件及机体清除掉腐蚀介质的浸蚀及锈迹
C.设备外观无灰垢、油泥
D.有关间隙、油压、安全装置调整合理
A.飞机结构经济寿命必须超过一个设计使用寿命
B.螺栓主要用来承受和传递较大的集中载荷
C.集体主区分布划分里右机翼是600
D.集体主区分布划分里右机翼是500
利用你关于边际收益产品的知识,解释下列现象:
(1)一个著名的网球明星在一个30秒钟的电视商业片中得到200000美元。而那个扮演他的搭档的演员只得到500美元。
(2)为了让一个还有两年合同期满的经营不善的储蓄贷款机构的总裁离职,向他支付离职工资。
(3)一架载客400人的大型喷气客机比载客250人的客机定价高,即使两种飞机的制造成本是相同的。
Using your knowledge of marginal revenue product , explain the following:
a. A famous tents star is paid S 200000 for appearing in a 30 - second television commercial. .The actor who plays his doubles partner is paid S 500,
b. The president of an ailing savings and loan is paid not to stay in his job for the last two years of his contract.
c. A jumbo jet carrying 400 passengers is priced higher than a 250-passenger model even though both aircraft cost the same to manufacture.
A.吸引用户
B.划分视觉区域
C.突出主题
D.增强艺术性