1.
The duration and the interval of post-partum oestrus were 33.0 hours and 76.6 dars repectively.
产后第一次发情时间和发情持续期分别为76.7天和30.0小时。
2.
the estrous cycle and duration of estrus in doe were in a small range of varia-tion in the five populations;
5个品种（品系）母鹿的发情周期和发情持续时间的变异范围较小;
3.
The romance between them lasted a few weeks.
他们之间的恋情持续了几个星期。
4.
Research on the Later Stage Support of the Sustainable Development of Migration in Three Gorges Reservoir Area;
三峡移民可持续发展的后期扶持研究
5.
Realizing the Sustainable Development of Periodical by the View of Scientific Development;
以科学发展观实现期刊的可持续发展
6.
The Primariness of Sustenance and Development of the State of Childhood and the Early Education;
幼态持续、发展的原发性和早期教育
7.
On the Construction of the Athletic Emotions among College Students and Their Sustainble Development;
论大学生运动情感的建立和持续发展
8.
the period during which an embryo develops (about 266 days in humans).
胎儿发育的时期（人类约持续天）。
9.
long-term strategy for sustainable and environmentally sound development
可持续和无害环境发展长期战略
10.
2001-2003Mid-Term Sustainable Development Strategies in Canada
加拿大2001—2003年中期可持续发展战略
11.
The strategy of enterprises life cycle and sustained development;
企业生命周期与持续发展的应对策略
12.
A Research on Sustainable Development Assessment of Qinghai-Tibet Railway during Operating Period
青藏铁路运营期可持续发展评价研究
13.
Progesterone levels remain elevated for8 to10 weeks following estrus in order to thicken the lining of the uterus in preparation for pregnancy.
黄体酮的水平会在发情期之后的八到十周内持续增高，以加厚子宫内膜，从而为怀孕做准备。
14.
Keep to Running Journals with Excellence and Advancing on its own Way of Continuous Development for the University Journals;
坚持品牌办刊 走高校期刊可持续发展道路
15.
ANALYSIS OF THE STATE OF AFFAIRS ON THE REGIONAL ECOLOGICAL RECONSTRUCTION AND ECONOMIC AND SOCIAL SUSTAINABLE DEVELOPMENT IN HEXI CORRIDOR;
河西走廊生态重建与经济可持续发展情势分析
16.
Macroscopic analysis on production and marketing of medicinal material resources for sustainable development
中药资源可持续发展产销情况的宏观分析
17.
Prediction of Jiangsu's Energy Demand form a Perspective of Sustainable Development Pattern
可持续发展视角下江苏能源需求情景预测
18.
lasting for an indefinitely long period of time.
无期限持续很长时期的。