ago ad的意思|示意

Three years ago, So-Low launched a nationwide AD campaign, focusing heavily on sunny regions and distributing free sunglasses there.

3年前，So - Low开展了一次全国性的广告推广活动，主要集中于日照较多的地区，在那里散发免费的太阳镜。

"@" is more ancient than you might think--Some scholars think it was invented over 1,300 years ago, as way to reduce the Latin word "ad"--which means "at, "to," or "toward"--into a single penstroke.

一些学者认为，虽然 @ 如今仅仅活跃在互联网上，但这个符号的历史，比你想象的还要古老。 早在1300年前就在拉丁美洲地区出现，人们用它来表示at、to、toward 的意思。

Some years ago, Shell carried out a very successful AD campaign in Canada and the US.

数年前，壳牌石油公司在加拿大和美国发起了一个十分成功的广告宣传活动。

When I was hired twenty years ago, the job AD required a J.D., although for years now our library's ads for reference librarians have said only that a J.D. is preferred.

二十年前，我找到这份工作时，该工作就要求法学博士学位，尽管现在我们图书馆招用参考馆员的广告说，持有法学博士学位优先考虑。

A while ago, an AD hoc group of computer scientists and cryptographers contributed to a paper that recommended a key of at least 90 bits for symmetric algorithms used in commercial security.

不久前，计算机科学家和密码学家专门小组发表了一篇论文，建议用于商业安全的对称算法至少要用90位的钥匙。

Twenty years ago there were only a couple of car styles in China, and they were ugly and uncomfortable. But the SUV in the magazine AD looked just like the ones I see every day on Texas roads.

二十年前，在中国只有一两种汽车品牌，而且样子很难看，坐上去也不舒服，但杂志广告上的SUV看上去就像我每天在得州公路上所看到的汽车。