product rule是什么意思

网络释义

用法例句

The number of the segments is determined by an area criterion, and the curves to be matched are represented by an included angle chain of the same length.

描述曲线的直线段的数目由面积法则来决定,并且待处理的曲线将被分割成相等数目的线段。

Based on the linearized equal area criterion and small signal analysis,the Principle and techniques of Energy Storage System(ESS) Damping Power System Oscillations are proposed in this paper.

基于线性化等面积法则和小干扰分析方法,提出储能系统抑制电力系统低频振荡的原理和方法。

The equal area criterion is applied in the detailed mechanism study and the conclusions are: the effect of generator reactive power output increase on system angle stability is changing along with the fault cutting time.

运用等面积法则对其机理进行详细分析并得出结论:增加发电机的无功出力对系统功角稳定的影响随故障切除时间的改变而改变,当在故障后的恢复曲线高于初始机械功率时,其对功角稳定的影响效果明显,并随着故障切除时间的延迟将逐渐增大,而切除时间很短时,增加发电机无功的初始出力对系统功角稳定的影响并不大。

By changing the fault point position, influence of three-phase reclosing sequence on system power angle stability is elaborated in theory according to the equal area criterion, based on which,the three-phase reclosing sequence of "the side with less reactance first" is proposed to enhance system power angle stability.

利用等面积法则从机理上剖析了三相重合时序对系统功角稳定性的影响。