photoperiodism

英 [fəʊtəʊ'pɪərɪədɪz(ə)m] 美 [,foto'pɪriə,dɪzəm]
  • n. [农学] 光周期现象（=photoperiodicity）；[生物] 光周期性（=photoperiodicity）
photoperiodism
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英文词源

photoperiodism (n.)
1920, from photoperiod (1920, from photo- + period) + -ism.

双语例句

1. For experimental purposes , scientists originally assumed that photoperiodism worked through photosynthesis.
为了进行实验, 科学家们最初曾经设想,光周期现象可能是通过光合作用实现的.

来自辞典例句

2. What is the adaptive significance of photoperiodism during evolution?
在演化过程中生物或植物以光周期适应(环境)之意义为何?

来自互联网

3. But there were obvious spring and strong photoperiodism spike cultivars . These need to improvement.
近期育成的大穗品种多有明显的春性化、强感光性, 需要加以改进.

来自互联网