1.
Diophantus OF ALEXANDRIA
丢番图(亚历山大里亚的)(活动时期250年)
2.
The ball was the highlight of the London season.
那次舞会是伦敦社交活动时期的高潮.
3.
Disseminating activities are popular in the Spring and Autumn Period and the Warring States Period.
春秋战国时期是传播活动最为活跃的时期之一。
4.
an age of political excitement is usually a stimulant to literature
政治动荡时期常常是文学的活跃期
5.
They do it in peacetime as well as during wars.
间谍活动战争期间有，和平时期也有。
6.
(of animals having several estrous cycles in one breeding season) a state or interval of sexual inactivity or quiescence between periods of activity.
（动物）没有性活动或性要求的时期。
7.
rephase activities
重新安排（各项）活动的时间; 改期进行活动
8.
There were evidences of human's action even in New Stone Age.
新石器时期曾存在人类活动的遗迹。
9.
Research on Journalism Activities of Foreign Reporters during the Anti-Japanese War;
抗战时期外国记者在华新闻活动研究
10.
Studies on the Rural Construction Activities of the Chinese National Association of the Mass Education during the Republic Period;
民国时期平教会的乡村建设活动研究
11.
Englishmen s Activities in Macao during Ming and Qing Dynasties(1635-1840);
明清时期英国人在澳门的活动（1635—1840）
12.
Japan s Intelligence Activities in China during the Sino-Japanese War of 1894-1895;
甲午战争时期日本对中国的情报活动
13.
The Spiritualism Society during the May 4th Period:Organization、Ideas and Activities;
五四时期的灵学会:组织、理念与活动
14.
The Abstinence from Opium in Hebei Province during the Nanjing Government Period;
论南京政府时期河北省戒治烟毒活动
15.
A Brief Discussion on the Li family of Zhao-jun in Hebei in the Sui and Tang Dynasties;
隋唐时期河北地区赵郡李氏活动略论
16.
The Research on the High School Society Practice Activities in the Lately Period;
关于新时期高校社会实践活动的研究
17.
The Official Compiling History Books and Han Song Learning during Kang-Qian Period;
康乾时期的官方修史活动与汉宋之学
18.
On the Influence of Timothy Richard’s Relief in “Ding-wu Disaster”;
李提摩太在“丁戊奇荒”时期的赈灾活动