When they ran one PCR assay that had been used in the original Science report, they found 5% of both CFS and control samples tested positive for XMRV.

当他们用PCR方法检测分析原始Science报道上的样品时，发现CFS样品和对照组都有5%的XMRV检测阳性率。

youdao

Thus, it should be positive to present the original Shenzhen to the world.

那么，我们难道不应该积极的向世界展示这样一个深圳吗？

youdao

Judaism views people as basically good. There is no concept of original sin, which makes it easier to forge a healthy, positive view of oneself and the world.

犹太教不强调本罪，认为人的本性有好的一面，更容易促使形成一个健康积极的自我观和世界观。

youdao

The original winner tested positive, but the Jockey Club has yet to disqualify the horse officially.

BBC: SPORT | Other Sport | Horse Racing | Fitzgerald passes 1,000 mark

Second, I agree with Arrington when he says that his original rant was really a positive for Amex.

FORBES: American Express Loses Credit With Top Blogger

If Landis' backup urine sample is positive - and the backup or B-tests often confirm the original - Landis could be stripped of his title.

NPR: Landis Doping Allegations Give Cycling Black Eye