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其实语文的教学是有其联系性，是一种“螺旋性上升的”学习。Actually the language teaching has its relation, is one kind "the helicity rise" the study.

磁场的螺度是开展很早的理论研究，尤其是在核聚变方面。The helicity study of magnetic field began very early, especially in the field of nucleus fusion.

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螺旋度是表征流体边旋转边沿旋转方向运动的动力性质的物理量。Helicity depicts dynamic feature of fluid that is rotating while moving along the rotating direction.

沙尘暴区上空垂直螺旋度的垂直分布为中高层负值，低层正值。The distribution of helicity over the sandstorm area was negative at higher levels and positive at lower levels.

垂直螺旋度的演变对本次西南涡暴雨有较好预报指示意义。The evolution of vertical helicity has a better forecast instruction significance to the southwest vortex rainstorm.

也确认了奈米碳管的低激态态量与其半径及螺性的关系。The dependence of the excitation energies of low-lying excited states on the diameters and helicity of CNT is studied.

螺旋度的垂直分布反映了降雹区大气的一些动力和热力特征。Moreover, the vertical distribution of helicity can reflect some dynamic and thermodynamic features of severe convection.

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风暴相对螺旋度用于预报时计算的难点在于确定预报风暴移动速度。It is difficult for the application of relative storm helicity in predicting storms for the uncertainty of storm velocity.

太阳上的磁螺度研究是近些年来开始变得活跃的一个研究领域。Recently, helicity study in solar magnetic fields become active, because of great progress of observations and data processing.

螺旋度表征流体旋转与沿旋转方向运动的强度，在等熵流体中具有守恒性。Helicity denotes the conjunct intensity of rotation and the movement along the rotation, and it is conservative in isentropic fluid.

相对螺旋度变化和强降水的时间演变具有较好的对应关系，大致反映了暴雨及其系统的强弱发展趋势。The change of the positive storm-relative helicity value has reflected the severe weak tendency of rainstorm and its system approximately.

利用相对论谐振子模型，计算了重子共振态的螺旋度振幅，并考察了相对论修正的影响。Using the relativistic harmonic oscillator model, the helicity amplitudes of resonances are studied and the relativistic effect is addressed.

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在垂直螺旋度的基础上，定义了散度通量，水汽垂直螺旋度和水汽散度通量三个宏观物理量。On the basis of vertical helicity, we define three parameters, namely, the divergence flux, moisture vertical helicity and moisture divergence flux.

法拉第效应对利用怀柔磁场望远镜观测的矢量磁场计算电流螺度的影响。The effect of Faraday rotation on the helicity computation using observations from the Solar Magnetic Field Telescope at the Huairou Solar Observing Station.

本文从水汽方程出发，推导新构造的诊断量—水汽螺旋度方程，并讨论了其随时间变化的影响因子。A new diagnostic quantity —moisture helicity is deduced from moisture equation, and its influence factors with time are analyzed in details by the diagnostic analysis.

文中从无摩擦的运动方程出发，利用量纲分析的方法，导出简化了的螺旋度方程和不同方向上的螺旋度方程，并对影响它们变化的各因子进行了讨论。In this paper, a simplified helicity equation is derived from the basic momentum equations by dimensional analysis, and the effect factors of helicity variation are discussed.

螺旋度分析表明，在不均匀的强上升气流的作用下，涡旋的水平分量向垂直分量转化是此次强降水的可能机制之一。The analysis of helicity also revealed that under the updraft, the conversion from the horizontal whirlpool into the vertical whirlpool is one of the possible mechanisms of the event.

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热力场与螺旋度有内在联系，地面相对螺旋度可视为地转风或实际风引起温度平流的一个量度。There exists inherent relationship between atmospheric temperature and helicity, and the surface relative helicity can be used to measure the temperature advection caused by geostrophic flow.

构造了新的诊断量——水汽螺旋度，并对影响水汽螺旋度变化的因子做了分析。A new diagnostic quantity—moisture helicity is derived from the moisture equation, and the difinition of helicity, and its influence factors are analyzed in details by the dimensional analysis.

在二维三分量MHD数值模拟的基础上，对地球磁尾不同类型磁结构的形成作磁螺度分析。On the basis of the former two-dimensions and three-components MHD numerical simulation, this paper analyses evolution of the magnetic helicity of various magnetic structures in the magnetotail.