在普通十字轴万向节二次力矩的基础上，推导出环叉式万向节二次力短的瞬时表达式。
On the base of the second couple of the common cross U-jioint. a transient value of the second couple in the ring-fork U-joint is obtained.
通过分析聚焦声场的特性，得到了聚焦区附近的瞬时声压表达式。
The expression for instantaneous pressure near the focusing area was obtained by analyzing the characteristic of focusing acoustic field.
计算出运动状态下轮胎印迹纵向瞬时变形的数学表达式。
Mathematical expression of longitudinal transient deformation of tyre tread imprint under motion condition has been derived.
给出了辐照密实、肿胀、裂变气体释放率和瞬时释放表达式。
The formulas for radiation densification, swelling, fission gas release rate and transient release are given.
推导得出瞬时点源垂向均匀混合的纵向距离及垂向部分混合水深的理论表达式。
By theoretical analysis, two equations for the distance of vertical homogeneous mixing and the part depth of homogeneous mixing for the instantaneous point source are presented.
第五，根据目标运动轨迹，通过数学推导得出目标在线阵平面内做直线运动时的瞬时波达方向表达式。
Fifth, we derive the mathematical equation of the instantaneous DOA, when the target moving in line and in the same plane as ULA.
给出了辐照密实、肿胀、裂变气体释放率和瞬时释放表达式。
The formulas for radiation densification, swelling, fission gas release rate …
给出了辐照密实、肿胀、裂变气体释放率和瞬时释放表达式。
The formulas for radiation densification, swelling, fission gas release rate …
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