optimal release time

This paper also gives the optimal software release time when the parameters take different values.

分析并给出了在模型参数取不同值时的最优软件发行时间。

The essence of this problem is to determine the optimal point of torpedo release, i. e, the optimal approaching course and the optimal time of torpedo release for the helicopter.

研究攻潜策略实质是确定最优投雷点，即直升机的最优接近航向和投雷时刻。

The optimal weight fraction is 0.1%, for under this condition, the wear scar diameter is decreased 35.6% and lubricating oil has great time-release effect.

当铜镍复合粉体的质量分数达到0.1%时，磨斑直径降低幅度最大，达35.6%，并具有很好的长效减摩性能。