There's no lag period, and notice that antibody levels start rising right away after the second exposure.
没有迟滞期，注意抗体水平在第二次接触后立即开始上升。
The blur is courtesy of a one-second exposure.
模糊是曝光一秒钟的结果。
An ingenious and creative 10 second exposure from a swinging camera recorded these gyrating trails of the celestial pairing.
这张巧妙而有创意的10秒曝光照片使用摆动的照相机拍摄的，制造了这两个星际伴侣的旋转轨迹。
Most digital cameras can easily a handle a 30-second exposure before noise starts getting out of hand. That's a great place to start.
绝大多数的数码相机都能曝光30秒而不会产生过多的噪点，这是一个很好的起点，这个曝光时间也可以避免拍下星星因地球自转产生的轨迹。
This original image using 60-point second exposure, the size of 12 cm, also photographed a number of sunspots, in this copy can be seen.
此原始图像采用60分之一秒曝光，大小为12厘米，还拍到了几个太阳黑子，在此复制品中可以看到。
Humiliation is the greatest fear; self-exposure and failing to appeal to the audience come a close second.
羞辱是最大的恐惧；紧随其后的是自我暴露和无法吸引观众。
However, the researchers said were limitations to the study, including uncertainties about the underlying health data and gaps in the data relating to exposure to second-hand smoke.
然而，研究者也说明了此研究的局限性，其中包括对基础卫生数据的不确定性、与吸入二手烟相关的数据误差。
The authors conclude that quitting smoking during pregnancy without actively avoiding exposure to second-hand smoke may not protect the developing fetus.
作者因此得出结论，孕期开始戒烟的女性如果不主动避免吸二手烟的话，可能还是保护不了胎儿的健康发育。
The report also found even brief exposure to second-hand smoke 'could trigger acute cardiac events such as heart attack.'
这份报告也指出，即使短暂吸入二手烟也可能引发严重的心脏疾病，诸如急性心脏病发。
The researchers say the best way for children to learn a second language is through social interactions and daily exposure to the language.
研究人员说，儿童学习第二语言的最佳途径是通过社会交往和日常可以接触到这种语言。
For example, indoor radon exposure was estimated to cause between 3-14 % of all lung cancers in 2004, the second most important cause of lung cancer in many countries.
例如，据估计，2004年肺癌患者总数的3-14%是由室内氡暴露引起的，这也是许多国家第二大肺癌发病原因。
A second reason is the massive growth of credit derivatives, which has given investors the ability to sample the debt markets so as to get exposure to the precise risks they find attractive.
第二个原因在于信用衍生产品的大量增长，它们给予投资者在国债市场抽样的能力，从而使得投资者只暴露于他们觉得有吸引力的精确风险之下。
The second obligatory condition is the possibility to shoot in manual mode, when sensitivity, exposure, diaphragm, and the compression quality can be adjusted by the user.
第二个必要的条件是，操作者可以调节感光，曝光，快门以及压缩质量，以手控的方式拍摄。
This year's Day promotes 100% smoke-free environments as the only effective way to protect people everywhere from exposure to second-hand tobacco smoke.
今年的无烟日提倡100%无烟环境，作为防止世界各地人们接触二手烟草烟雾的唯一有效途径。
Poor outcomes are largely related not only to dosage but to a woman's stage of pregnancy at the time of exposure; first and second trimesters are of the most concern.
缺陷在很大程度上不仅取决于照射的剂量还取决于孕妇阶段所受到的照射。最初的三个月和其后三个月是最重要的阶段。
Captured in this 60 second time exposure made on April 14, a yellow-tinged Mars and M44 are near the center of the field, seemingly just beyond the reach of a pine tree.
这张曝光60秒的照片摄于4月14日，微黄色调的火星和M 44接近视场的中心，看似就在松树的顶端之外。
The 700-page Surgeon General's report found there was no safe level of exposure to cigarette smoke - whether you deliberately inhale or breathe it in second hand.
在首席外科医生700页的报告中显示，不管你是否谨慎小心地吸入或呼出二手烟，只要你周围有烟草的烟雾，你就不可能不受伤害。
Second, the company needs to reduce its exposure to fluctuating euro-dollar exchange rates.
其次，该公司需要减少由欧元兑美元汇率浮动带来的损失。
However, hurricane exposure during the second trimester provoked a 20% rise in fetal distress at birth.
然而，根据研究，妊娠中期经受飓风的胎儿在出生时患胎儿窒息的风险增加了20%。
protect nonsmokers from exposure to second-hand tobacco smoke;
保护非吸烟者，避免其接触二手烟草烟雾；
The primary cause of COPD is tobacco smoke (including second-hand or passive exposure). Other risk factors include.
慢性阻塞性肺病的原发性原因是烟草烟雾(包括二手烟或被动接触)。
Richemont, the industry's second-largest company, has a less varied portfolio and greater exposure to watches and jewellery, demand for which has been especially weak.
该行业排名第二的Richemont公司，拥有不太多样化的资产组合，但手表和珠宝交易量较大，然而对手表和珠宝的需要量一直以来都特别薄弱。
The second component of systematic desensitization is gradual exposure to the feared object.
系统脱敏法的第二个元素就是逐步暴露于恐惧情境中。
The second vulnerability of French banks relates to their exposure to shakier countries within the euro zone.
第二个缺陷是法国银行更多涉及的是欧元区的不稳定国家。
The second major break promises and dishonest people to conduct joint exposure, application of the rules.
第二条对重大失信行为及失信人进行联合曝光，适用本规则。
The second major break promises and dishonest people to conduct joint exposure, application of the rules.
第二条对重大失信行为及失信人进行联合曝光，适用本规则。
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