1. 恒量：constant process 常定过程 | constant quantity 恒量 | constant return 恒定效果

2. 恒量,常数：constant proportion || 定比 恒比 | constant quantity || 恒量, 常数 | constant radio code || 恒定无线电编码

noun

1. a quantity that does not vary

Synonym: constantinvariable