The us newspaper industry has seen AD revenue fall in recent years as advertisers migrate to the Internet, particularly to sites offering free or low-cost alternatives for classified ads.
由于广告商转投网络广告，尤其是免费或低价的网站分类广告，近年来美国报业的广告收入大幅下降。
A free Craigslist AD is an economical option, particularly if you want to sell your computer locally, which is always easiest.
在Craigslist上登免费的广告是一个不错的选择，特别是你想要就近出售电脑的话，这是一个最简易的途径。
For example, advertising is "hugely bartered" because many media, particularly on the Web can supply new AD space at little cost.
举例来说，广告是“非常以货易货”，因为许多媒体，特别是在网络上，可以以很低的成本提供新的广告空间。
Persons destined to develop AD experience an accelerated rate of decline in cognitive ability, particularly in memory.
将要罹患ad的人经历一个认知下降的加速过程，尤其是记忆力。
SCGE reveals a great future in study of radiation biological dosimetry and has more ad-vantage than the other traditional methods, particularly at the early stage after radiation.
尤其在照后早期，较其他传统生物剂量学技术具有明显优势，用于放射生物剂量学研究将有良好前景。
SCGE reveals a great future in study of radiation biological dosimetry and has more ad-vantage than the other traditional methods, particularly at the early stage after radiation.
尤其在照后早期，较其他传统生物剂量学技术具有明显优势，用于放射生物剂量学研究将有良好前景。
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