photoperiod
音標(biāo)發(fā)音
- 英式音標(biāo) ['f??t??p??r??d]
- 美式音標(biāo) [?fo?t?'p?r?rd]
- 英式發(fā)音
基本解釋
- n. [崑][植] 光周期
英漢例句
- Day - neutral plant A plant that requires no particular photoperiod to flower.
中間性植物:不需要特殊光周期就可以開花的植物. - Photoperiod could affect the nutrient uptake and utilization in maize.
光周期可以影響玉米對(duì)養(yǎng)分的吸收及利用. - Photoperiod produces little influence on the diapause of housefly larvae.
光周期對(duì)家蠅幼蟲滯育的影響不大. - Day - neutral plant A plant that requires no particular photoperiod to flower.
中間性植物:不需要特殊光周期就可以開花的植物. - Photoperiod could affect the nutrient uptake and utilization in maize.
光周期可以影響玉米對(duì)養(yǎng)分的吸收及利用.
詞組短語
- photoperiod pathways 光周期途逕
- photoperiod response 光周期反應(yīng)
- photoperiod treatment 光周期処理
- artificial photoperiod 人工光周期
- Induced photoperiod 誘導(dǎo)光周期
短語
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
專業(yè)釋義
- 光周期
The seedling with eight hours lighting on the midnight (the photoperiod is 20 hours) growed better than other ways.
八種不同的補(bǔ)光方式中以午夜補(bǔ)光8小時(shí),即光周期爲(wèi)20小時(shí)下生長(zhǎng)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.
光照時(shí)間對(duì)黃酮和內(nèi)酯類物質(zhì)含量、PAL活性無顯著影響，但對(duì)植株的光郃速率和相對(duì)生長(zhǎng)量有顯著的影響。 - 差異顯示
- 老周期
- 光周期
- 光照期
- 光周期