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【单选题】
下列关于高压蒸汽灭菌的说法中错误的是( )。A.
灭菌锅内加水量以水面与三脚架齐平为宜。
B.
达到所需灭菌时间后，关闭热源，等压力降为零后，打开排气阀，取出灭菌物品。
C.
高压蒸汽灭菌适用于塑料制品、培养基、工作服等灭菌
D.
当锅内空气排净后吗，关闭排气阀，等温度升到121摄氏度开始计时
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举一反三
【单选题】It has been suggested that learning effects are important only during the start-up period of a new process and that they cease after two or three years. Any decline in the experience curve after such ...
A.
reduction in fixed costs.降低固定成本
B.
higher depreciation costs.更高的折旧成本。
C.
economies of scale.规模经济
D.
obsolescence.过时
【简答题】What are learning effects? When are learning effects most significant? 学习效果如何?什么时候学习效果最显著?
【单选题】Learning effects are cost savings that come from ____________.
A.
trial-and-error
B.
learning by doing
C.
practice
D.
failure
【单选题】Learning effects:
A.
result in unit manufacturing costs increasing by a certain amount each time output is increased.
B.
suggest that production costs increase because of increasing labor productivity.
C.
are more significant when simple steps in an assembly process are performed over and over again.
D.
are more significant when a technologically complex task is repeated.
E.
lead to diseconomies of scale.
【简答题】案例分析: 2010年底,国内某出口企业收到欧洲一客户发来信用证,其中有这样一条款 “COPY OF SWIFT-AMENDMENT SENT FROM OPENING BANK TO ADVISING BANK, AFTER RECEIPT OF APPLICANTS INSTRUCTIONS, CONFIRMING THAT THE APPLICANT OR HIS AUTHORISED RE...
【单选题】It has been suggested that learning effects are important only during the start-up period of a new process and that they cease after two or three years. Any decline in the experience curve after such ...
A.
reduction in fixed costs.
B.
higher depreciation costs.
C.
economies of scale.
D.
obsolescence.
【简答题】会展活动包括()和()两个基本组成部分
【单选题】Learning effects are cost savings that come from _________________.
A.
trial-and-error
B.
failure
C.
learning by doing
D.
practice
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