These are cases in which a worker is infected with HIV and has a history of occupational exposure, but did not have a test immediately before and after the possible exposure.
以下是某些具有职业接触史，并感染了HIV病毒的工作人员的病例，但他们在可能受感染的接触之前和之后都没有立即进行检测。
Men had higher concentrations of testosterone and cortisol than did women, both before and after the test.
无论是在测试前还是测试后，男人的睾酮和皮质醇浓度都比女人高。
Click the Options TAB, and specify the interval of your test, including some time before and after the test.
单击options选项卡，指定测试时间间隔，包含测试之前和之后的一段时间。
Before and after the test, researchers took saliva samples to measure cortisol and testosterone -two hormones that the study says "are particularly sensitive to psychological and social influences."
在测试开始和结束的时候，研究人员分别取了他们的唾液样本以此来检测皮质醇和——这两个被研究称为是对心理和社会影响最敏感的激素。
Before and after the test, researchers took saliva samples to measure cortisol and testosterone - two hormones that the study says "are particularly sensitive to psychological and social influences."
在测试开始和结束的时候，研究人员分别取了他们的唾液样本以此来检测皮质醇和——这两个被研究称为是对心理和社会影响最敏感的激素。
In our test environment, we compare some the performance of some transactions before and after tuning.
在我们的测试环境中，我们比较了一些事务在调优前后的性能。
During this test, you inhale increasing amounts of methacholine aerosol mist before and after spirometry.
在这个试验中，你要先吸入大量的醋甲胆碱气雾剂，然后再进行肺活量测试。
To be repeatable, some tasks (such as test data) may need preparation before they start and cleanup after they finish.
为了便于进行重复，可能需要在开始前进行一些任务准备工作（如准备测试数据），并在完成后进行清理。
After the first assembly of your parachute you must perform an opening test and, before every take off, you must control the proper position of the handle.
在您第一次装配好滑翔伞之后，您必须进行一个检测，在每次离开地面之前，您必须控制手柄的适当的位置。
They also carried out a brain-training-style test before and after seeing a segment from the film.
在观看电影一小段的片段之前和之后，他们还分别进行了类似脑部训练的测试。
Their language abilities were compared before and after exposure to the game using a standard listening test.
在接触这个游戏前和后用一个标准听力测试对他们的语言能力进行了对比。
Test subjects were given math tests before and after 3 minutes of lavender aromatherapy.
受测试的人群分别在三分钟薰衣草芳香疗法前后做了数学题。
Product inspection and test is control after the event because it occurs after the product is produced but before the product is released out of the organization's control.
产品检查和试验是事后控制，因为是在产品生产完成后，但却是在产品发行脱离组织控制之前进行的。
The mix proportion test carried out before construction and quality inspection conducted after construction are introduced, which can assure the engineering quality of piles made cement-soil material.
为保证粉喷桩工程质量，文章介绍施工前进行的配比试验和施工后进行的质量检测。
Yoga also gives you "recipes" for studying stress, makes you relaxed before sleep or after waking up and helps you concentrate your attention on a test.
瑜伽还能让你掌握减轻学习压力的诀窍，睡前或早晨醒来得到放松，还可以让你在考试之前集中注意力。
The test carrying out before and after strengthening shows the method is effective for enhancing integral rigidity and capacity of bridge.
加固前和加固后的荷载试验表明，采用这种加固方案提高了桥的整体刚度和承载力，达到了预期的效果。
According to the standard, the geometric precision of the small machining center should be checked before and after the load test.
根据标准规定，负荷试验前后均应检验小型加工中心的几何精度。
It simply USES a separate database for testing that it clears before and after every test run.
它只使用一个单独的数据库进行测试之前和之后，它清除每一个测试运行。
Methods Supply speech training to 18 patients with velopharyngeal closure well palatoplasty, including articulation test and evaluation, before and after training.
方法对18例腭成形术后且腭咽闭合良好的患者进行语音训练。包括训练前后语音清晰度测试与评定。
In this paper, the normal distribution method is improved as it presents directly the sampling plan by adding calculation before test and completely removing after - test calculation.
文中改进了测试性验证中的正态分布法，通过添加试验前计算，完全消除试验后计算，直接给出抽样方案。
At the end of the paper, the energy balance test and the comparison between before and after retrofit are made, and the effectiveness of retrofit is obvious.
并且进行了烟气阻力计算、热效率计算和能量平衡测试，对改进后的稠油燃料和改进前进行了对比，燃烧状况和热效率有明显改善。
Objective To evaluate the function of the vas endothelium cell by the peripheral artery blood stream drawing before and after the cold pressor test.
目的探讨通过冷激发(冷加压)试验前后描记末梢动脉血流图这一无创性检测来评估血管内皮细胞的功能。
Compare the decline in blood flow velocities and its recovery time before and after Trousseau's test in vertebral waveform with or without notch at systole.
通过对椎动脉收缩期切迹组与无切迹组做束臂试验，比较束臂前后收缩期血流速度下降幅度及流速自下降至恢复的时间。
In addition to these three actions, there are also two test scripts (referred to as common scripts), which run before and after a database unit test runs.
除了这三个动作以外，也有两个测试指令码(称为通用指令码)会在执行资料库单元测试的前后来执行。
Methods Routine method and Hitachi 7080 instrument were used to test the total protein level in plasma before and after methylene blue photochemical virus inactivation treatment.
方法采用双缩脲蛋白血浆测定法，用日立7080生化分析仪直接测定病毒灭活前、后血浆总蛋白的数据。
Respiratory responsiveness was measured by methacholine chloride bronchial provocation test in 163 new cotton workers before and after 10 weeks exposure to cotton dust.
为研究棉尘病发病机制，对163名棉纺厂新工人，于接尘10周前、后分别进行氯化乙烯甲胆碱支气管激发试验；
Respiratory responsiveness was measured by methacholine chloride bronchial provocation test in 163 new cotton workers before and after 10 weeks exposure to cotton dust.
为研究棉尘病发病机制，对163名棉纺厂新工人，于接尘10周前、后分别进行氯化乙烯甲胆碱支气管激发试验；
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