凸凹函数

convex-concave function的用法和样例:

例句

  1. The graph of a concave function is always below its tangent.一个凹函数的图象总在它的切线的下方。

7. The justices must address doubts about the court's legitimacy by making themselves accountable to the code of conduct. 【分析】简单句。句子主干为 The justices must address doubts,介词短语 about the court's legitimacy 修饰 doub

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Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

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From the CNN Center in Atlanta, Nicole Lapin. Here's a look on what's happening NOW IN THE NEWS. Maine's governor has just signed the bill making same-sex marriage legal in the state. The governor's decision came shortly after the state of Maine in

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This is Scientific American's Sixty-Second Psych. I'm Christie Nicholson. Got the minute? Say a teenager takes the car without permission and crashes it. Or pole jumps off a bridge into white water. Bruised, broken or worse, arrested, the first words

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Tools to Use with Gmail If you use Gmail, Google's email program, you should know about the many tools to help you make the most of your email. Sure, you could use the Google-based email service and do just fine without any of the special functions.

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According to Israeli scientists, tearful women are a turnoff to men. But how do women feel about men who cry? Researchers are soon to begin testing how women react to chemicals contained in the tears of men. Our reporter Li Dong has the details. Natu

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Today, as the development of the media, people are affected by the advertisements greatly. When we are walking on the street, we can see the ads everywhere, they are spread by the newspaper, the radio and so on. The most obvious are the ads attached

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