There was no significant difference on the egg weight, egg shape and egg layingperiod between the experimental groups and control groups.
同时对两组间的卵重、卵形、产卵期进行了测定，无显著差异。
2
The primary school is basic stage of compulsory education and key period of forming good study habits, it is the period of laying a foundation of one's growing up too.
小学是义务教育的基础阶段，是一个人形成良好学习习惯的关键时期，也是一个人成长的奠基时期。
3
The period of time from when the first sign of courtship begins through to egg laying will vary enormously, not only between species but between individuals within a species.