It's possible to test positive for cannabis on a drug test even if you haven't used it for some time.
你依然可能会在检查的时候呈叶子阳性，当你有段时间不玩叶子以后。
In November last year the Wigan rugby league player Terry Newton became the first professional sportsman to test positive for HGH and received an automatic two-year ban.
在去年十一月，维甘橄榄球队队员特里·牛顿成为第一个人体生长激素测试呈阳性的职业球员，他也因此受到两年自动禁赛的处罚。
Technically it is possible to come up with a positive home pregnancy test this week but who wants an unreliable result?
严格来说，这一周你可能用家用怀孕试纸检测出阳性，但谁想得到一个不可靠的结果呢？
Technically, it is possible to come up with a positive home pregnancy test this week, but who wants an unreliable result?
严格来说，这一周你可能用家用怀孕试纸检测出阳性，但谁想得到一个不可靠的结果呢？
Positive results obtained with the kits are reported to the Health Department but are considered preliminary, and must be confirmed by a different test that requires a blood sample.
试剂盒检测出的阳性结果会被报道到卫生部门，但只是作为初步结果，还需要对血液样本进行其他的检测以确定检验结果。
To give informed consent for an HIV test you must have been given proper counselling so you understand what having a test involves and what the consequences are if you test positive.
因为决定是否接受HIV检测需要适当的辅导，需要受测者明白检测意味着什么，如果结果为阳性的话会带来什么样的后果。
Such organisms are so named because they don't pick up the purplish dye used in the test to distinguish them from gram-positive bacteria.
这类细菌之所以被如此命名是因为他们和革兰氏阳性菌相比不能吸收淡紫色的染料。
In the first part of the test, participants are asked to push the "e" key for either black faces or negative words and the "I" key for white faces or positive words.
测试的第一步，要求受试者看见黑人面孔或负面词汇时按“E”键，看见白人面孔或正面词汇时按“I”键。
If someone with a positive test still does not respond, a Health Department worker is dispatched to try to track the person down.
如果阳性受检者不予回应，将会派出卫生部门人员追踪此人。
Listing 4 unit tests illustrate various assert methods to perform positive and negative unit testing. It has the following test methods.
列表4中的单元测试列举了各种断言方法来执行正面与反面的单元测试。
Blood specimens from the patient were laboratory tested at the Institut Pasteur DE Dakar and found to be IgM positive by ELISA and confirmed with PRNT, a more specific test.
达喀尔巴斯德研究所的实验室对病人的血液标本进行了检测，ELISA检测呈IgM阳性，利用更具特异性的检查方法PRNT对此作出了确认。
After writing a test that expresses the result you're trying to achieve, you then debug until the test is positive.
在编写一个测试来表达您试图实现的结果之后，您可以一直调试直到测试结果是良性的。
Positive pictures: When you're feeling stressed about a big test or game, it can help to imagine it going really well.
积极画面：当你为一场大考或比赛临近感到紧张时，想象它们进展得很顺利，这很有用哦。
Post-test counselling will be offered to all women when they receive their test result, regardless of whether it is positive or negative.
在检测后进行咨询时，所有的妇女都会收到测试结果，无论结果是阳性还是阴性。
This hormone will also trigger a positive reading in a pregnancy test although this week there’s not enough of it to provide a definitive answer.
这种激素还会引起妊娠测验成阳性，尽管这周还没有足够的激素给出一个确切的测验结果。
But in a desperate attempt to have children of their own, the couple gave it one last try and on one lucky Sunday afternoon in July 2009, Julia's pregnancy test finally came back positive.
就在他们对怀上一个属于自己的孩子近乎绝望时，他们做了“最后的尝试”，结果在2009年六月一个幸运的星期日下午，朱莉娅的验孕结果出来了：她怀孕了。
The results were the same for children whose mothers had a history of allergy and for those who had a positive reaction to the allergens used in the skin-prick test.
这个结果对于那些有过敏史的母亲以及那些对皮试中使用的过敏原呈阳性反应的母亲而言是相同的。
Mustapha's modification lets food scientists use the PCR test to capitalize on its speed, selectivity and sensitivity, but avoid false-positive tests by differentiating between dead and live cells.
幕斯塔法的修改使食品科学家在使用PCR测试时，可以有效利用其高效性、有选择性和敏感性，并且通过区分死亡细胞和活细胞避免误测。
Since his parents died, some people want to adopt the boy. But when a test revealed that he is HIV-positive, they changed their mind.
自从他父母去世后,也有一些人想收养这个男孩儿,但当他们知道阿龙是艾滋病携带者时,他们不得不改变自己的决定.
The second approach would involve universally available, voluntary, annual testing for HIV infection and immediately providing antiretroviral therapy to those who test positive.
第二种途径则包括全覆盖的、自愿的、每年一次的HIV检测，以及对那些阳性案例即时提供抗逆转录治疗。
The question for any man with a positive PSA test or manual exam is, Which group does he belong to?
对参与变压吸附试验或手动检查的人来说，他到底属于哪一组呢？
Get a good night's sleep the evening before the test and plan to arrive in good time, with a positive frame of mind.
测试的前一晚睡个好觉，设法提早一点时间抵达，并保持平和的心态。
According to ARAS worker Luca: "In one evening the team can have four girls who test positive for HIV."
ARAS的工作人员卢卡表示：“一个晚上的突击抽查就能查出四位艾滋病检测呈阳性的女孩。”
In the first year of a program called Bronx Knows, begun in mid-2008, 70 percent of residents with a confirmed positive H.I.V. test were sent to doctors and clinics for care, Dr. Sweeney said.
在一项开始于2008年中，名为“布朗克斯知道”的计划的第一年里，70%检测出h . I.V.阳性的居民被送到医院和诊所接受治疗，Sweeney博士说。
If you receive a positive HIV test, you will be referred to a HIV clinic.
如果您收到了积极的艾滋病毒测试，您会被转介至一艾滋病毒诊所。
Put that way, it's easy to see that you can tell the person who got a positive result in the test that there's still only a ten percent chance that she has cancer.
这么说的话，就很容易，你可以说出，一个测试结果为良好的人仍然有10%的可能性得癌症。
Stunned dat the positive result, she sent a picture message of the test to Benn, with the words' Guess what? 'he almost fell off his chair at work.
可当看到阳性的结果时，萨拉惊呆了，发照片和文字信息“你猜怎么着”给正在上班的本，本看到后几乎从椅子上跳了起来。
In England, authorities stressed that a crew member who developed flu-like symptoms during a flight from Mexico City to Heathrow did not test positive for swine flu.
在英国，官方强调，在墨西哥城飞往希西罗机场的班机航程中有类似感冒症状的乘客事后检测没有发现猪流感阳性反应。
Test three or six samples at the same time, high sensitivity, low false –positive, easy to operation.
可同时检测三个或六个样品，灵敏度高，假阳性几率低，且操作简单。
Test three or six samples at the same time, high sensitivity, low false –positive, easy to operation.
可同时检测三个或六个样品，灵敏度高，假阳性几率低，且操作简单。
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