自然日

自合同签订之日起100个自然日。

The contract lasts for100 natural days .

低温反应中间型品种，在自然日长下，蒜种播前用20℃或35℃处理40d可正常抽薹；

Cultivars of Low Temperature Middle Ecotype bolted normally under natural daylength when seed cloves were treated with 20 ℃ or 35 ℃ for 40 d before planting .

太阳还提供了最简易的自然日钟。

The sun also provided the most basic natural daily clock .

幼虫在自然日长12小时左右和温度20℃左右发育，化蛹后处在19℃以下的温度下，出现50%左右的滞育蛹。

About 50 % of pupae enter dia - pause when the larvae are reared under natural conditions of about 12 hr day-lenght and at a temperature of 20 ℃ during mid-September to early-October .

低温反应迟钝型品种中，多数品种在各温光处理组合中不抽薹或不完全抽薹，但有少数品种，蒜种用5℃低温处理，在自然日长下也可以正常抽薹。

Most cultivars of Low Temperature Inactivity Ecotype were unbolting or uncomplete bolting under all temperature and photoperiod combinations , but a small number cultivars may be bolted under natural daylength when seed were treated with 5 ℃ .

关于自然电位日变形态与临震前兆的关系的初步研究

A preliminary study on relationship between daily change shape of natural electric potential and imminent seismic precursor

在武汉自然长日高温下，对4个不育系进行人工短光照处理，可以诱导育性显著降低。

Under the conditions of natural high temperature in Wuhan , shortage of photoperiod treatments can cause a significant reduction of fertility .

在上海世博会期间将会有许多令人兴奋的展览活动，尤其是在6月5日，因为6月5日将是世博会期间的“世界自然基金日”，也是世界环境保护日。

There will be many exciting activities throughout the life of the Expo , and especially on June5th , because June5th at the expo will be the WWF Day , and not coincidentally World Environment Day .

自然周期排卵日（排卵型病例）子宫内膜特征，两组间比较，差异无显著性，P>0.05，而超排周期注射hCG日则有显著性差异，P<0.05。

No significant difference is shown between the two groups on the patterns of endometrium on the day of ovulation in the natural cycles ( P > 0.05 ) .

抗战结束后，战争遗留问题自然成为中日两国关系中不可回避的问题，且对中日关系的发展有着重要的影响。

After the end of the war , the remnants of war which has an important impact on the development of Sino-Japanese relations became an un-avoided problem of Sino-Japanese relations .

《自然》杂志24日发布的年度报告显示，中国科学技术大学过去一年在《自然》及其子刊共发表论文17篇，跃升至中国高校榜首。

The University of Science and Technology of China ( USTC ) leads scientific research among China 's universities by publishing 17 research articles in Nature-branded primary research journals in 2011 , according to the magazine 's annual Publishing Index released on May 24 .

人类进入工业社会之后，由于无限制的滥用自然资源，随意向外界环境排放污染物，使得自然环境的恶化日呈严重，已威胁到人类的生存与发展。

After the beginning of industrial society , unrestricted abuse of natural resource and exhausted to the environment have threatened human survival and development .