1) Day alternates with night.
昼夜交替。
2) Day and night alternate.
昼夜更替。
3) Natural day/night cycle
昼夜更替
4) day and night
昼夜
1.
On exchange of architectural expression in day and night
浅议建筑表情在黑白昼夜间的转换
2.
Buildings emotion will not turn as the change of day and night; therefore, such expressions should also follow the uniform rules.
建筑的情感不会因为黑白昼夜的交替而变化,所以,建筑的表情也应该遵循这种统一的法则;即建筑表情应在白昼与黑夜之间具有延续性和统一性。
5) diurnal rhythm
昼夜节律
1.
Changes in diurnal rhythms of free cortisol secretion during different phases of menstrual cycle;
月经周期不同阶段游离皮质醇昼夜节律的变化(英文)
2.
Different collection methods and the diurnal rhythm influenced the carbamazepine level in saliva;
取样方法和昼夜节律对卡马西平唾液浓度的影响
3.
Relationship between diurnal rhythm and immune function in patients with depressive disorders
抑郁症昼夜节律变化与免疫功能的关系
6) diurnal variation
昼夜变化
1.
Spatial distribution and diurnal variation in CO_2 concentration,temperature and relative humidity of the cave air——A case study from Water Cave,Benxi,Liaoning,China
本溪水洞洞穴空气CO_2浓度与温、湿度的空间分布和昼夜变化特征
2.
The diurnal variation in respiration of manilagrass lawn ecosystem and its components,soil and aboveground plant,in the Minjiang Park,Fujian,China were measured using a LI-8100 system.
采用Li-8100对亚热带马尼拉草坪生态系统呼吸及其分室昼夜动态进行研究,结果表明,草坪生态系统呼吸、土壤呼吸和植物地上部分呼吸速率的昼夜变化均表现为单峰曲线,呼吸速率日最高值出现在中午13:00~14:00;草坪生态系统的呼吸速率最低值只出现在6月的7:00左右,其他月份的最低值出现在23:00~2:00;土壤呼吸速率的最低值出现在4月和6月的7:00左右,8月则在2:00达最低值,11月土壤呼吸速率波动不大,极值不太明显。
3.
The diurnal variations of electrolyte leakage,MDA concentration and cell defense enzyme in leaves of maize seedling were synchronously measured under the artificial conditions.
人为控制环境下,对玉米幼苗叶片中电解质外渗率、MDA含量以及保护酶活性的昼夜变化同步进行了测定。
补充资料：昼夜交替
昼夜交替
地球是一个不发光又不透明的球体，同一瞬间阳光只能照亮半个球，被阳光照亮的半个地球是白昼，没有被阳光照亮的半个地球是黑夜。
由于地球不停地自西向东自转，地球上则从东向西进行昼夜交替，昼夜交替的周期是24小时。昼夜交替不仅调节了地球表面的大气温度，对于地球上生物界的生存与发展也是十分有利的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条