1.WPR data as the wind data for computing helicity is feasible and is more suitable for nowcasting work compared with other wind data.
利用风廓线雷达资料计算螺旋度是可行的，比起其它风场资料更适于短时（临近）预报的业务化工作。
2.The shearing wind helicity and thermal wind helicity are introduced and applied to a northeastern cold vortex rainfall event.
引入切变风螺旋度和热成风螺旋度，并将其应用于东北冷涡暴雨的诊断分析。
3.There was definite relationship between the evolvement of helicity's negative value at higher. . .
高层螺旋度负值的演变与沙尘暴的出现有一定的对应关系。
4.This property, often called " helicity , " serves to differentiate the neutrino from its antiparticle .
这种性质通常称为“螺旋性”，可以用来区分中微子和它的反粒子。
5.The distribution of helicity over the sandstorm area was negative at higher levels and positive at lower levels.
沙尘暴区上空螺旋度垂直分布为高层负值，低层正值。
6.Moreover, the vertical distribution of helicity can reflect some dynamic and thermodynamic features of severe convection.
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。
7.The dependence of the excitation energies of low-lying excited states on the diameters and helicity of CNT is studied.
也确认了奈米碳管的低激态态量与其半径及螺性的关系。
8.There is no distinctive linear relationship between helicity value and rainfall amount.
螺旋度数值的大小与降水量的大小一般没有明显线性关系；
9.It is difficult for the application of relative storm helicity in predicting storms for the uncertainty of storm velocity.
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。
10.Strengthen of the positive value area of horizontal helicity occurred earlier than the sand-storm.
从时间演变上看，水平螺旋度正值区的加强时间超前于沙尘暴的发生。