- phenological calendar
- 物候历
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
phenological calendar
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Phenology — is the study of the times of recurring natural phenomena. The word is derived from the Greek phainomai (φαινομαι) to appear, come into view, and indicates that phenology has been principally concerned with the dates of first occurrence of natural … Wikipedia
Spring (season) — Spring is one of the four temperate seasons. Spring marks the transition from winter into summer.OverviewDefinition of springAccording to an astronomical definition, spring begins on the vernal equinox (usually March 20 in the Northern Hemisphere … Wikipedia
