fundamental period parallelogram：原始周期平行四邊形

fundamental period parallellogram 基本周期平行四邊形 | fundamental period parallelogram 原始周期平行四邊形 | fundamental point 基本點

fundamental period parallelogram：基本周期平行四邊形

基本周期 fundamental period | 基本周期平行四邊形 fundamental period-parallelogram | 變化的基本點 fundamental point of a transformation

Mindel glacial period：民德冰河期

mimicry 擬態(tài) | Mindel glacial period 民德冰河期 | Mindel-Riss interglacial period 民德里斯間冰期

Grace period provision：寬限期條款

Good distribution of risk 優(yōu)質(zhì)風(fēng)險分布 | Grace period provision 寬限期條款 | Grace period 寬限期

high-water period：豐水期

徑流多年變化 multiyear variation of runoff | 豐水期 high-water period | 平水期 normal-water period

interglacial period：間冰河期

postglacial period 后冰河期 | interglacial period 間冰河期 | drier n. 干旱時期,干燥劑

latent period, latency：潛伏期

firing threshold 發(fā)放閾 | latent period, latency 潛伏期 | shortening period 縮短期

period of martial law：戒嚴(yán)時期

考績 Performance Rating | 戒嚴(yán)時期 period of martial law | 動員戡亂時期 Period of National Mobilization in Suppression of Communist Rebellion

natural period of oscillation：固有振動周期,自然回擺周期

natural period 固有周期=>自然周期 | natural period of oscillation 固有振動周期,自然回擺周期 | natural person 自然人

neurula stage, neurula period：神經(jīng)胚期

神經(jīng)胚形成 neurulation | 神經(jīng)胚期 neurula stage, neurula period | 器官發(fā)生期 organogenetic period