photoperiod

US 
UK [ˌfəʊtə'pɪərɪəd]
  • n.光周期
  • Web光照期；光照周期；老周期
Plural Form：photoperiods  

E-C

E-E

Web Definition

n.
1.
光周期

Sample Sentence

Definition:
AllAll,光周期光周期,光照期光照期,光照周期光照周期,老周期老周期
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
The experiment shows that photoperiod was an important environmental factor affecting armyworm development, reproduction and flight.
说明光周期是影响粘虫发育、殖和飞翔的重要环境因子之一。
shuō míng guāng zhōu qī shì yǐng xiǎng nián chóng fā yù 、 zhí hé fēi xiáng de zhòng yào huán jìng yīn zǐ zhī yī 。
tr.bab.la
2.
The cline is considered the probable result of geographic trends in precipitation, temperature, and perhaps also photoperiod.
人们认为这种梯度变异可能是降水量，温度也许还有光周期等地理趋势造成的结果。
rén men rèn wéi zhè zhǒng tī dù biàn yì kě néng shì jiàng shuǐ liàng , wēn dù yě xǔ hái yǒu guāng zhōu qī děng dì lǐ qū shì zào chéng de jié guǒ 。
www.kuenglish.info
3.
CO(constans) was an important gene involved in the photoperiod pathway controlling plant flowering time.
是植物开花时间光周期调控途径中的一个重要基因。
shì zhí wù kāi huā shí jiān guāng zhōu qī tiáo kòng tú jìng zhōng de yī gè zhòng yào jī yīn 。
www.dictall.com
4.
The results indicated that different populations of the grasshopper displayed different patterns of response to photoperiod and temperature.
结果表明：不同的中华稻蝗地理种群显示了不同的光周期和温度反应模式。
jié guǒ biǎo míng : bù tóng de zhōng huá dào huáng dì lǐ zhǒng qún xiǎn shì le bù tóng de guāng zhōu qī hé wēn dù fǎn yìng mó shì 。
www.insect.org.cn
5.
Photoperiod is one of the major factors which control the flowering time.
日照长度（即光周期）是影响开花时间的主要因素之一。
rì zhào cháng dù ( jí guāng zhōu qī ) shì yǐng xiǎng kāi huā shí jiān de zhǔ yào yīn sù zhī yī 。
www.73202.com
6.
The results support the hypothesis that ambient temperature combined with photoperiod induce the thermogenic adjustments for small mammals.
研究结果支持了环境温度和光周期共同作用以调节动物产热变化的学说。
yán jiū jié guǒ zhī chí le huán jìng wēn dù hé guāng zhōu qī gòng tóng zuò yòng yǐ tiáo jié dòng wù chǎn rè biàn huà de xué shuō 。
dictsearch.appspot.com
7.
Passiflora Caerulea is the plant requesting long sunshine with Photoperiod effect. Long sunshine can promote budding and flowering.
西番莲具有光周期效应，为长日照植物，长日照可促进花芽分化形成，促进开花。
xī fān lián jù yǒu guāng zhōu qī xiào yìng , wèi cháng rì zhào zhí wù , cháng rì zhào kě cù jìn huā yá fēn huà xíng chéng , cù jìn kāi huā 。
paper.pet2008.cn
8.
Melatonin, as internal photoperiod signal, regulates seasonal reproduction of animals.
褪黑激素则作为光周期信号分子调控动物季节性繁殖活动。
tuì hēi jī sù zé zuò wéi guāng zhōu qī xìn hào fēn zǐ tiáo kòng dòng wù jì jié xìng fán zhí huó dòng 。
www.ebiotrade.com
9.
Effect of photoperiod and temperature on fertility alteration of short photoperiod- low temperature induced male sterile rice .
光温条件对短光低温不育水稻育性转换的影响。
guāng wēn tiáo jiàn duì duǎn guāng dī wēn bù yù shuǐ dào yù xìng zhuǎn huàn de yǐng xiǎng 。
www.bing.com
10.
In conclusion, photoperiod is an effective method to improve dairy goat production.
综合上述，延长光照可有效增进乳羊产能。
zōng hé shàng shù , yán cháng guāng zhào kě yǒu xiào zēng jìn rǔ yáng chǎn néng 。
dictsearch.appspot.com