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The above multiple changes will produce 2 kinds of waves, Matter waves and mechanical waves that spread at the same time. Because the electromagnetic wave is a matter wave, it is the medium. Since the multiple exchanges of the electrons state can be regarded as electrical vibration, and the vibrated electrons have magnetic fields and electrical fields at the same time, the electromagnetic wave will be produced. Then, because the electron itself is a matter micro particle, it can produce mechanical waves which can propagate outside with electrical magnetic waves.

这种状态改变的多次往复,就会产生两种波,一种物质波,即电磁波;一种机械波,并且这种机械波是以同次产生的电磁波为媒质进行传播的,,这是因为本种状态的多次往复,可以看作是一种电子振动,振动的电子同时具有磁场和电场,所以能够产生电磁波,又因为电子本身是一个物质微粒所以他能够产生机械波,并且是横波,并随电磁波进行向外传播。

To overcome the difficulties, we use the method with three object functions which are the minimum Lp norm, the deviation between the calculated magnetic fields and the measured magnetic fields, and the number of the sources.

为了克服上述两种方法的困难,采用多目标函数最优化法。该方法的目标函数为,(1)未知源的Lp模,(2)由未知源计算出的磁场与测量的磁场之间的偏差,(3)源的数目。

The computational software in the fields of computational chemistry and materials science, and the molecular force fields which have been employed in polymer systems, were presented.

介绍了用于计算化学和材料科学领域的计算软件,以及可用于高分子体系的分子力场。

It isshown that there exists a well-defined nonlinear phase operator for the complexscalar fields,whose Weyl correspondence also manifestly exhibits entanglementbetween the positive and negative quanta of the complex scalar fields.

我们显示了对复标量场,存在定义得很好的非线性相位算符,其Weyl对应也明显地展现了复标量场的正负量子间的纠缠。

As you click more non-numeric fields, Excel places them on the inside of fields already on the PivotTable, building a hierarchy.

当你点击多个非数值型字段时,Excel 会自动把这些字段安排在数据透视表的字段区域当中,并建立层次结构。

The difficulty of CT reconstruction increases in non-medicinal fields, for the reason that the short action time and the limited operator domain of the physical fields being measured.

CT重建在非医学领域,由于被测量的物场具有作用时间短、作用域小等特点,从而加大了难度。

In IMS/VS message format service, a character used to pad input message fields or output device fields when the length of the received ''.

在ibm的ims/vs系统的报文格式服务程序中,当输入报文字段或输出设备字段所接收的''。

Service, a character used to pad input ''.'message'.'' fields or output device fields when the length of the received data is less than the length defined for the field or when no data is received for the field.

格式'。''服务程序中,当输入报文字段或输出设备字段所接收的数据长度小于规定的长度或未接收到数据时,用来填充该字段的字符。

The region in the altitude f rom 4400 to 4600 meters , which is mainly covered by alpine meadow and alpine swamp meadow , is st rongly degraded by the stock raising with it s influence radius of about 24 kilometers. The influence distance perpendicular to roads is also 24 kilometers , since road const ruction accelerates human2induced destruction to vegetation. Vegetation in shade aspect is rising due to the increase in precipitation , while vegetation in sunny aspect tends to be stable or degraded because of the enhancement in sunlight . Furthermore , the vegetation coverage is influenced by the groundwater level . In near riverbed fields , where the depth of groundwater is shallow , plant s can easily grow ; while in far riverbed fields , vegetation is prone to degrade due to drainage. The radius of river influence is 24 kilometers.

海拔4400~4600m的较低海拔地带退化最强烈,主要为高寒草甸与高寒沼泽草甸受牧业影响较大;牧业影响半径为24km;道路的影响范围为24km,道路的修建加速了人类对高原植被的破坏作用;阳坡植被呈现趋于稳定和退化的趋势,阴坡植被表现为增长的趋势,降水量增加是源区植被,尤其是阴坡植被变好的重要原因,而太阳光照增强是导致阳坡干旱和植被趋于退化的潜在原因;近河床区地下水位埋深较浅,植被生长具有稳定的地下水源;在远离河床的一定区域内,地下水易于疏干,植被易于退化,河流影响范围为24km。

According to the transnational periodically symmetry of crystal plane in its space,the author introduce the Thomas-Fermi equation in crystal planar channeling electric fields;then calculate the electric fields of single crystal Si(110)and its critical angle.

根据同一晶向的晶面具有平移周期对称性,将托马斯费米方程引入晶体的平面沟道中求解Si(110 )平面沟道内的电场;然后把求得的结果用于计算平面沟道临界角。

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Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。