May I present Mr. David Brown, manager of a. B.C. Company.

A, B, C, etc. are capitals; a, b, c, are not.

A, B, C等是大写字母; a, b, c不是.

This results in a slowly changing ratio A : B in the distillate.

这使得蒸馏物中 A:B 比率发生缓慢的变化.

What is the difference between A, B and C?

A, B.和C之间什麽不同?

If ( a, b ) ( ba ) then the graph is a directed graph.

如果 ( a, b ) ≠ ( b,a ),则这个图是有向图.

Break up the interval ( a, b ) into small enough intervals.

把〔a, b〕 分为一串充分小的小区间.

Wild Non-farmed Salmon is rich in minerals and contains vitamins A, D, B 6 and B 12.

野生 非 养殖鲑鱼有丰富的矿产和含有维生素A, D, B6和维生素B12.

Task : Put the paragraphs A-D in the right order.

把A-D四个段落按正确的顺序排列.

Enriched with vitamins A & D. Cocoa butter & lanolin.

富含维生素A & D的可可脂 和 羊毛脂.

Careful study of the data sheets and a programmable input-output port solve most A / D interfacing problems.

若详细研究一下说明书和可编程序的输入/输出端口,则大部分A/D转换器的接口问题都可得到解决.

The Goths invaded Rome in A . D . 410.

哥特人于公元前410年入侵罗马.

She wears a ` D cup, ie size of bra.

她戴罩杯尺寸为D的胸罩.

Buddhism was introduced into China about A . D . 67 .

佛教是在公元 六十七年 传入中国的.

The above sequence of events is illustrated in Fig . 2.2 a-d .

上述事件的先后顺序由图2.2a -d 说明.

But, in A . D .393, a Roman emperor stopped the Games.

但在 公元 393年被—个罗马皇帝取消.

" The Classics on Tea " , written by Lu Yu of the Tang Dynasty ( 618 A . D .-907 A . D . ) was the world's earliest treatise on tea leave production.

中国唐代陆羽写的《茶经》是世界上最早的茶叶制作专著.

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.它高达71米, 修建于唐代.

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. 公元1385年,明朝在南京建立观象台, 比英国格林尼治观象台 ( 建于1670年 ) 早三个世纪.

I got a D+.

我得了个D+。

First, the magician should speak with a . k . a. the wizard -- before the " performance. "

首先, 在表演开始前魔术师应与助手(也可以叫 巫师 )说几句话.

Curiously, 1913 is also the year when John Sinclair , a . k . a . Lord Lister, retires.

有趣的是, 1913年也是JohnSinclair退休的那年.