Model tests were performed to study the characteristics of ice force on conical structures.
通过冰力模型试验，研究了锥体冰力的特征和锥间距对冰力的影响。
The forming of flank of conical twist drill was studied and mathematical model of twist drill tine was founded in order to get formula of back clearance.
研究了锥面麻花钻后刀面的成型，建立了钻尖的数学模型，由此确定了后角的计算公式。
The antenna studied is a universal model which can be used to analyse many type of conical antennas including asymmetrical ones.
所给出的椭圆双锥天线有关公式可以用来分析许多类型的锥天线，包括非对称锥天线。
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