Under a bland, equinoctial sky, the morning light lay evenly over the white concrete outside the entrance to the planetarium.
在温和、昼夜平分时的天空下，晨曦淡然地照耀在天文馆人口处外面的白色混凝土上。
the equinoctial colure
二分圈，昼夜平分圈
equinoctial line [ circle ]
天球赤道, 昼夜平分线
Stability Analysis of Circadian System Models with Delay
具时滞的昼夜节律系统的稳定性分析
When night passes into day, and day into night, a state of relative calmness ensues.
当夜转为昼，或者昼转为夜的时候，一种与平静相关的状态会随之而生。
Analysis of Hemorrhage Time among Pregnant Women with Placenta Previa and Nursing
前置胎盘孕妇昼夜出血时间分析及护理
Circadian rhythms and diurnal time allocation in Drosophila melanogaster adults.
黑腹果蝇昼夜活动节律及行为时间分配
It is day on the lighted side. It is night on the dark side of the earth. Almost every part of the earth turns from day to night during every 24 hours.
照亮的一面是白昼，暗的一面就是黑夜在24小时当中，地球的每部分进行着白昼和黑夜的交替。
a slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotation.
随着地轴的转动昼夜平分线沿黄道平面向西缓慢移动的过程。
The big clock which used to strike the hours day and night was damaged many years ago,
教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，
There was a positive correlation between protein content and average daily temperature and average sunshine time during heading to maturation, but a negative correlation existed between protein content and average diurnal variation of temperature in this period.
蛋白质含量与抽穗－成熟期间的平均日均温和平均日照时数呈正相关，与平均昼夜温差呈负相关。
Either of the two times during a year when the sun crosses the celestial equator and when the length of day and night are approximately equal;the vernal equinox or the autumnal equinox.
二分时刻一天中太阳通过天赤道的两个时刻中的任一时刻，此时昼夜长短几乎相等；春分或秋分
THE RELATIONSHIP BETWEEN DAY AND NIGHT ACTIVATION OF NEUROENDOCRINE AND BLOOD PRESSURE CIRCADIAN RHYTHM OF HYPERTENSION PATIENT
高血压患者神经内分泌昼夜活性与血压昼夜节律的关系
They be work double tide in order to finish the job in time
他们昼夜工作以及时完成工作
They were working double tides in order to finish the job in time.
他们昼夜工作以及时完成工作。
Day and night cannot dwell together.
白昼与黑夜不能同时在一起。
relating to an equinox (when the lengths or night and day are equal).
与春分或秋分（昼夜长短一致）有关。
She's at this job day and night
她不分昼夜地做这项工作。
