矿区土地利来自用变化及其扰动影响
土地利用变化是揭示区域环境变化的重要原因,已成为全球气候变化和全推逐所广纪施识过球环境变化研究关注的重要内容(Sterlingetal.,201敌类难怕威让类事仍2;Mooney...
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地磁场的变化
地球磁场的变化表现为每一个地磁要素量值的变化,这种变化分为长期变化和短期变化。长期变化的原因是地球内部的物质运动,表现为各地磁要素全年平均值的变化。短期变化的原因是大气电离层的变...
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关于军用术语?
**火控系统是控制**武器(龙验里志尼能吗奏主要是火炮)瞄准和发射的系统,用以缩短射击反应时间,提高首发命中率。按瞄准控制方式分类,现代**火控系统可分为扰动式、非扰动式和指挥仪...
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智能变电站高级应用功能有哪些来自?
智能变电站高级应用功能有:1、智能变电站与大用户互动智能变电站具有向大用户实时传送电价、电量、电能质量及电网负荷信息的功能,支持电力交易的有效开展,实现**的优化配置;激励360...
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人类对地球内部的了解主要是通过__的方法.
一、人类对地球内部的了解主要是通过研究(地震波)的方法。根据:由于地震波在不同物质中传播来自是不同的,故根据这一特点,将地球内部圈层分为地壳、地幔、地核。二、地震波简介:地震波(...
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人类对地球众司附笑存素检内部的了解主要是通过__的方法.
一、人类对地球内部的了解主要是通过研究(地震波)的方法。根据:由于地震波在不同物质中传播是不同的,故根据这一特点,将地球内部圈层分为地壳、地幔、地核。二、地震波简介:地震波(se...
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穿透地球内部的波叫什么波?
地震波是目前我们所知道的唯一一种能够穿透地球内部的波。地360问答震波是由地震震源向四处传播的振动,指从震源产生向四周辐射的弹性波。按传播方式可分为纵波(P波)、横波(S波)(...
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轮胎被石头子砸破属于轮胎的质量问题吗
垂振续伤映轮胎噪音是由轮胎东路个们异传报念仍略与路面摩擦所引起的,是360问答构成底盘噪音的主要因素。一般先尼括斤磁威倍蒸变手的胎噪主要由三部分组成:一是轮胎花纹间隙的空气流动和...
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求问Breusch-Pagan的检穿气验的原理和操作方法。
1、Breusch-Pagan的检验原理是:因为异方差具有线性形输作文列式,假设解释变量前的系数不全为0,则模型是异方差的。因此,Breusch-Pagan检验就是对辅助回归进行...
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同方差与异方差的区别
1、认定不同同方差指李总体回归函数中的随机误差项(干扰项)在解释变量条件下具有不变的方差。异方差是为了保证回归参数估计量具有良好的统计性质,经典线性回归模型的一个重要假定:总体回...
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同方差与异方差的区别
1、认定不同同方差指总体回归函数中的随机误差项(干扰项)在解释变量条件下具有不变的方差。异方差是为了保证回归参数估计量具有良好的统计性质,经典线性回归模型的一个重要假定:总体回归...
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求问Bre来自usch-Pag360问答an的检验的原理和操致快作方法。
1怀、Breusch-Pagan的露形望检验原理是:因为异方差具有线性形式企独毫,假设解释变量前的系数不全为0,则模型是异方差的。因此,Breusch-Pagan检验就是对辅助回...
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“来自****年地球将会遭遇强烈的超级太阳风暴,其破坏力将...
【360问答答案】【小题1】B【小育须责完题2】D【答案解析】试题**:【小题1】太阳的外部结构有光球层、色球层、日冕层对应的太阳活动分别是谁要自尽适防才太阳黑子、耀斑、太阳风。...
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