The period during which the romans figured in history extends from about 750 b.c. to a.d. 476 . 罗马人活跃于历史舞台上的时期大约是从公元前750年到公元476年。
The vandals took rome in 477 a.d. and stole its treasures, but didn't damage its works of arts . 汪达尔人在公元477年攻占了罗马,盗走了罗马城的珍宝,但没有损坏它的艺术品。
It was clear from the accounts of the historian pliny(23-79 a.d. )that the romans also possessed burning-glasses . 从历史学家普林尼(公元23-79年)的记述中清楚知道罗马人也有点火镜。
The seismograph invented in 132 a.d. by zhang heng, chinese scientist of the east han dynasty ( 25 a.d.-220 a.d. ), was the first seismograph in the world . 中国东汉科学家张衡于公元132年发明的地动仪是世界上最早的地震仪。
The seismograph invented in 132 a.d. by zhang heng, chinese scientist of the east han dynasty ( 25 a.d.-220 a.d. ), was the first seismograph in the world . 中国东汉科学家张衡于公元132年发明的地动仪是世界上最早的地震仪。
China boasts the world 's earliest observatory, built in nanking in 1385 in the ming dynasty ( 1368 a.d.-1644 a.d. ), three centuries ahead of the greenwich observatory built in britain in 1670 . 中国建有世界上最早的气象台。
The giant stone buddha at leshan mountain in sichuan province of china, carved in the tang dynasty ( 618 a.d.-907 a.d. ), is 71 metres high, making it the largest statue of buddha in the world . 中国四川的乐山大佛是世界上最大的佛像雕刻。
Papermaking originated in china in the second century b.c. paper made from linen in the early west han dynasty ( 206 b.c.-24 a.d. ) was the world 's earliest kind of paper made from plant fibres. by pooling the expertise of craftsmen in papermaking, cai lun of the east han dynasty ( 25 a. d.-220 a.d. ) succeeded in producing quality paper from linen craps, rags, and used fish nets. papermaking technology was introduced to the west in the third century . 公元前2世纪我国发明纸,而汉初造的麻纸是世界上现存最早的植物纤维纸。
Papermaking originated in china in the second century b.c. paper made from linen in the early west han dynasty ( 206 b.c.-24 a.d. ) was the world 's earliest kind of paper made from plant fibres. by pooling the expertise of craftsmen in papermaking, cai lun of the east han dynasty ( 25 a. d.-220 a.d. ) succeeded in producing quality paper from linen craps, rags, and used fish nets. papermaking technology was introduced to the west in the third century . 公元前2世纪我国发明纸,而汉初造的麻纸是世界上现存最早的植物纤维纸。
The kangxi dictionary, completed in the qing dynasty ( 1644 a.d.-1911 a.d. ) and released in the 55th year of the reign of emperor kangxi ( 1716 a.d. ), was the world 's earliest and biggest dictionary with 47035 entries of chinese characters . 中国清代的《康熙字典》是世界上最早、字数最多的字典。