constantann.一种铜与镍的合金；用作抗电器的材料constantadj.不变的；经常的n.常数；恒量constant-band width analyzer恒定带宽分析器constant transformation method常数变易法constant of Michaelis-Menton米氏常数constant-voltage transformer恒压变压器constant fraction reabsorption恒定比率重吸收constant volume flux of slurry等体积流量constant velocity motion phase稳速运动阶段constant velocity cardan joint等速万向节constant caaelerated life test恒加寿命试验constant parent regression CPR常数亲本回归法, 定亲回归