根据统计，一名工人组装第x件某产品所用的时间(单位：分钟)为f(x)= \begin{cases} \dfrac {c}{ \sqrt {x}},x < A \\ \dfrac {c}{ \sqrt {A}},x\geqslant A\end{cases}(A,C为常数).已知工人组装第4件产品用时30分钟，组装第A件产品用时15分钟，那么c和A的值分别是( )
Modularity is now generally recognized as a fundamental feature of organisms, one that may have profound consequences for evolution. Modularity has recently become a major focus of research in organismal biology across multiple disciplines including genetics, developmental biology, functional morphology, ...
Jessica Brody. One of her big assertions is that a book’s character arcisthe story, whereas the external arc doesn’t really matter. She offers no argument as
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Depiction of an imbalanced definition of success that is primarily based on money, wealth and social status. There are several reasons why focusing too much on wealth, status and fame might be contradictory. First, what’s the point of being wealthy if you cannot draw happiness, fulfillment and...
cave paintings are the most well-known primitive forms of media. Humans first created cave paintingsaround 62,000 B.C.E. The paintings typically depicted animals. Although the purpose of these cave paintings is unclear, one theory is that humans used these depictions to send messages to others...
What makes more sense to me is to say it this way: Axis 0 will act on all the ROWS in each COLUMN Axis 1 will act on all the COLUMNS in each ROW So a mean on axis 0 will be the mean of all the rows in each column, and a mean on axis 1 will be a mean of all the ...
If pictures are stative, what does this mean for discourse interpretation? The goal of this paper is to explore the consequences of adopting Abusch (2014)'s hypothesis about pictures—that they are stative depictions of the world... D Altshuler,J Schlder 被引量: 0发表: 2021年 Towards re...
When you go up to the altar rail and you are handed that piece of essentially ordinary bread and you hear those words, what does that mean? Part of it is a reminder of Jesus’ death, the body—the literal body—that was given out of love for us. But if that’s all it was, this...
When a kidnap victim is portrayed in film, she has perfectly smooth legs, and hairless armpits, as if her captor has been providing her with a ladyshave during her ordeal, to satisfy the male spectator, rather than provide an accurate depiction of what it truly means to be at the mercy ...