Never hard-code a numeric value, always declare a constant instead. 决不要硬编码数值,而总是声明一个常量。
Numeric control direct current source, based on intelligent constant voltage difference control technology, is combined with switching voltage regulation and serial feedback regulation to realize high accuracy, low output ripple and low power consumption. 基于智能恒压差控制技术的数控直流电流源,结合开关稳压与串联反馈的调整实现高精度、小纹波、低功耗数控直流电流源。
The mathematic model of synchronization configuration is described, and numeric simulations are conducted to evaluate the synchronization performance when the adaptive controller is employed with constant and time-variant channel distortion considered. 给出了系统的数学模型,对恒定信道衰变和时变信道衰变两种非理想信道条件下的混沌Colpitts电路的自适应同步进行了数值仿真研究。
A numeric method for computing limiting concentration of light component in the distillate of binary batch distillation under constant reflux ratio and hold-up in the column is introduced. 介绍了采用恒回流比操作方法,在塔顶、塔板持液时,间歇精馏二元理想混合物,馏出液中轻组分极限浓度的数值计算方法。