Detection in the blood of HIV antibody is the most commonly used detection of HIV infection in laboratory methods, the general to go through two steps: First, do screening tests, if positive, confirmed test again, only to confirm positive tests for the diagnosis HIV infection.
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If positive and negative are merely opposites, and they are in fact one, how can you say that being positive is any better than being negative.
如果积极和消极仅仅是相对立,而且他们实际上是一个的话,那你怎么能说积极就一定比消极好呢。
Ong speculates that if positive emotions are indeed good for our health then, "one direct, measureable consequence of this should be the extended years of quality living.
昂随后推论积极的情绪是否对我们的健康有益呢,“对此的一个直接,可以衡量的推论便是它是对有品质生活的延长年。”
If one looks at the bigger picture, a lot of positive things are happening.
如果人们从更宏观的角度看,许多积极的事情正在发生。
And that if we want a positive earth for future generations, we all need to make commitments to be change agents so that we don't destruct our natural resources."
VOA: special.2010.01.21
If we think that our knowledge is positive, we say "red" in a red light means stop.
如果我们主动认知,红灯的意思是停。
If it is, in fact, positive, then we're going to go in here, but now notice what we're doing here.
如果这个数实际上是个正数,那么我们就到,这里面来,但是请注意我们在这做了什么。
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