指数
(numerical, statistical) index; (math.) exponent; index; exponential (function, growth)
支书
branch secretary; secretary of a branch of the Communist Party or the Communist Youth League; abbr. for 支部書記|支部书记
植树节
Arbor Day (March 12th), also known as National Tree Planting Day 全民義務植樹日|全民义务植树日[Quan2 min2 Yi4 wu4 Zhi2 shu4 ri4]
知书达理
educated and well-balanced (idiom)
全民义务植树日
National Tree Planting Day (March 12th), as known as Arbor Day 植樹節|植树节[Zhi2 shu4 jie2]
峰值输出功能
peak power output (of an electrical device etc)
未知数儿
erhua variant of 未知數|未知数[wei4 zhi1 shu4]