1.
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。
2.
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
3.
The days are gaining on the nights.
白昼正越来越长，黑夜正越来越短。
4.
The short day was spent, and the long night had closed in.
短短的白昼已经过去，漫长的黑夜降临了。
5.
Conclusion Ventricular repolaization time had circadian rhythm( long at night, short in day).
结论:心室复极时间存在夜长昼短，午后稍回升的节律。
6.
As the Winter Solstice approached, with its long cold nights and short days, many people feared the sun would not return.
每当冬至来临，寒夜漫长，白昼短暂，许多人担心太阳将一去不复返。
7.
The night gains on the day; the day gains on the night
夜长日短，日长夜短。
8.
In summer when days are longer, all the people are on their journey. Nowadays, Sweden has become one of the countries boasting greatest number of travelling fans.
在昼长夜短的夏季，大家纷纷外出旅游。目前，瑞典已成为世界上外出旅游人数最多的国家之一。
9.
Spring is gay with flower and song, Summer is hot and the days are long, Autumn is rich with fruit and grain, Winter brings snow and the New Year again.
春光明媚，鸟语花香，夏日炎炎，夜短昼长，秋天丰收，谷果满仓，冬飘瑞雪，新年在望。
10.
When he walked forth in the short days, the street lamps had a merry twinkle.
在昼短夜长的这些日子里，傍晚时分他上街时，路灯已在头顶上方欢快地闪烁。
11.
There are existing many objective and sub je ctive causes of fire conflagration:objective causes are:In winter, dry weather and strong wind,short day and long night,loaded electric power;
电气火灾发生的客观原因 :一是冬季天干物燥 ,风力较大 ,昼短夜长 ,电力负荷增大。
12.
These facts mean that the Martian day and night have about the same lengths as ours.
这些事实说明，火星上的昼夜同我们的昼夜大致一样长。
13.
STUDY ON THE DIURNAL GROWTH RHYTHM OF PAULOWNIA CLONES
泡桐无性系苗期昼夜生长节律的研究
14.
The winter solstice has the shortest daytime of the year, while the summer solstice has the longest.
冬至是一年当中白昼最短的日子，而夏至则是白昼最长的日子。
15.
Effects of Long Term Night Sub-Low Temperature and Long Term Day Sub-High Temperature on Eggplant Growth and Development;
长期夜间亚低温和长期昼间亚高温对茄子生长发育的影响
16.
"and these were those who had the ordering of the music and songs, heads of families of the Levites, who were living in the rooms, and were free from other work, for their work went on day and night."
歌唱的有利未人的族长，住在属殿的房屋，昼夜供职，不作别样的工。
17.
Relationship Between the Long-term Fluctuation of the Light Threshold and the Diurnal Fluctuation of the Intraocular Pressure in Early Open Angle Glaucoma
早期开角青光眼视网膜光阈值长期波动与昼夜眼压波动关系
18.
Diurnal Change in Soil Respiration Rate in Five Types of Plantations during Non-growing Season
5种人工林非主要生长季节土壤呼吸对土壤温度昼夜变化的响应