d D flat 【音樂】降 D 調(diào)。 D major [minor] 【音樂】 D 大調(diào)[小調(diào)]。 D sharp 【音樂】升 D 調(diào)。 a D student 劣等生。 a D slide valve D 形滑閥。 CD = 400. DC = 600.
d and dd and d, d & d= 〔美俚〕1.drunk and disorderly (警察用語)酒醉后擾亂治安的。2.deaf and dumb 又聾又啞的;〔比喻〕裝聾作啞的(尤指因?yàn)榕聢?bào)復(fù)而對壞事不加告發(fā))。; 儀器公司
The period during which the romans figured in history extends from about 750 b.c. to a.d. 476 . 羅馬人活躍于歷史舞臺上的時(shí)期大約是從公元前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 . 汪達(dá)爾人在公元477年攻占了羅馬,盜走了羅馬城的珍寶,但沒有損壞它的藝術(shù)品。
It was clear from the accounts of the historian pliny(23-79 a.d. )that the romans also possessed burning-glasses . 從歷史學(xué)家普林尼(公元23-79年)的記述中清楚知道羅馬人也有點(diǎn)火鏡。
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 . 中國東漢科學(xué)家張衡于公元132年發(fā)明的地動儀是世界上最早的地震儀。
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 . 中國東漢科學(xué)家張衡于公元132年發(fā)明的地動儀是世界上最早的地震儀。
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 . 中國建有世界上最早的氣象臺。
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 . 中國四川的樂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世紀(jì)我國發(fā)明紙,而漢初造的麻紙是世界上現(xiàn)存最早的植物纖維紙。
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世紀(jì)我國發(fā)明紙,而漢初造的麻紙是世界上現(xiàn)存最早的植物纖維紙。
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 . 中國清代的《康熙字典》是世界上最早、字?jǐn)?shù)最多的字典。