photoperiod
音标发音
- 英式音标 ['fəʊtəʊpɪərɪəd]
- 美式音标 [ˌfoʊtə'pɪrɪrd]
- 英式发音
基本解释
- n. [昆][植] 光周期
英汉例句
- Day - neutral plant A plant that requires no particular photoperiod to flower.
中间性植物:不需要特殊光周期就可以开花的植物. - Photoperiod could affect the nutrient uptake and utilization in maize.
光周期可以影响玉米对养分的吸收及利用. - Photoperiod produces little influence on the diapause of housefly larvae.
光周期对家蝇幼虫滞育的影响不大. - Day - neutral plant A plant that requires no particular photoperiod to flower.
中间性植物:不需要特殊光周期就可以开花的植物. - Photoperiod could affect the nutrient uptake and utilization in maize.
光周期可以影响玉米对养分的吸收及利用.
词组短语
- photoperiod pathways 光周期途径
- photoperiod response 光周期反应
- photoperiod treatment 光周期处理
- artificial photoperiod 人工光周期
- Induced photoperiod 诱导光周期
短语
英英字典
- the period of daylight in every 24 hours, esp in relation to its effects on plants and animals &rarrsee also photoperiodism
柯林斯英英字典
专业释义
- 光周期
The seedling with eight hours lighting on the midnight (the photoperiod is 20 hours) growed better than other ways.
八种不同的补光方式中以午夜补光8小时,即光周期为20小时下生长最好。 - 光照
Light spectrum also affects the photosybnthesic rate, PAL activity and relative stem growth. Photoperiod has no significant effect on the content of flavonoid and terpene in G. biloba leaves.
光照时间对黄酮和内酯类物质含量、PAL活性无显著影响，但对植株的光合速率和相对生长量有显著的影响。 - 差异显示
- 老周期
- 光周期
- 光照期
- 光周期