He cleared up the question of his absence in the presence of all his classmates.
他当着全班同学的面澄清了他缺席的疑团。
All of the above can be conditional upon the operating system type and revision, time of day, arbitrary user-defined classes, presence or absence of files, directories, or data in files, and so on.
上述所有这些根据操作系统类型和修订版本、一天中的时间、任意用户定义的类、文件中文件、目录或数据的有无等等可以是有条件的。
Its influence persists in the presence of family stressors such as the father's absence and maternal anxiety or depression.
若存在家庭压力，如父亲离家以及母亲焦虑或抑郁，严重体罚的影响就会持续下去。
An HIV test reveals infection status by detecting the presence or absence of antibodies to HIV in the blood.
艾滋病毒检测通过检查血液中是否存在艾滋病毒抗体，显示感染状况。
Lawyers and experts on Internet policy say no court case has ever turned on the presence or absence of such an automatic E-mail footer in America, the most litigious of rich countries.
互联网政策方面的律师和专家们表示，富裕国家中最爱诉讼的美国，也还没有哪个诉案是由这种自动的电邮页脚的存在与否引起的。
But trace imprints found in other fossilised feathers (despite an absence of carbon) may indicate the original presence of melanosomes that have since been lost to oxidation.
而其他羽毛化石(尽管缺乏碳元素)中找到的痕迹，也许能显示已经因氧化而消失的黑色素体的原始存在。
The tests can reliably demonstrate the presence or absence of malaria parasites in the blood and can be performed at all levels of the health system, including community Settings.
该检测可以可靠地表明血液中是否存在疟原虫，包括社区在内的各级卫生系统都可以做这项检测。
The presence of hydrocarbons, and the absence of carbon monoxide, provide strong evidence for a water-depleted impactor in 2009.
出现了碳氢化合物，没有出现一氧化碳，强烈显示2009年的撞击物是缺水的。
Their idea is to represent the 0s and 1s of digital signals not using voltage levels as in conventional computers, but using the presence or absence of noise.
他们的想法是不像在传统计算中那样使用电压高低来代表0和1，而是使用噪音的有无。
The presence or absence of other types of health problems is not mentioned in the study.
该研究没有提及其他类别的健康问题存在与否。
You will say this even in the midst of a lab experiment that has been set up so that the only possible difference between the two magazines is the presence (or absence) of swimsuits.
你会说，即使在实验中也是成立的，两本杂志可能的唯一不同是有(或没有)泳衣。
Before I knew it, we had set a date in February to meet. I was about to find myself face to face with a man who was more influential in his absence than he could have been in his presence.
我们约定在二月里见面，我将和这个男人面对面，他的走失比存在对我具有更大的影响。
the third, “In the Presence of Absence”, will come out next year), it recounts the poet's house arrest, his run-ins with Israeli interrogators and various spells in jail.
第三部，《不存在的存在》，将在明年推出），它叙述了诗人的遭软禁、诗人与以色列审讯人员的针锋相对和几度进出监狱。
ISO Schematron (Schematron) : Learn about this language for making assertions about the presence or absence of patterns in XML documents.
ISOSchematron (Schematron)：了解这种语言是如何进行XML文档内模型存在与否的断言的。
For instance, psychotherapists (of whatever orientation) often discuss the presence or absence of this feeling process in a particular case.
举例来说，(任何取向的)心理咨询师经常讨论在某个案例中这种感觉进程的存在或不存在。
We investigated the influence (effect, impact) of temperature on the specific growth rat of yeast in the presence or absence of oxygen.
在有、无氧气存在的情况下，我们测定了培养温度对酵母比生长速率的影响。
LCROSS, the lunar crater Observation and Sensor Satellite, launched last week, has a mission objective to confirm the presence or absence of water ice in a Shadowed crater near a lunar pole.
LCROSS探测器，对月球环形山观测和传感卫星，上周推出，也有任务目标，以确认在接近月球极阴影中的环形山的存在或缺乏的水冰。
A trained health worker recorded the presence or absence of 31 clinical signs such as difficulty in feeding and lethargy and a paediatrician then assessed each case for severe illness.
一位受过培训的卫生工作者记录下31种临床体征是否存在例如进食困难和嗜睡然后一位儿科医生评估每一个病例是否患有严重疾病。
Lawyers and experts on Internet policy say no court case has ever turned on the presence or absence of such an automatic email footer in America, the most litigious of rich countries.
互联网政策方面的律师和专家们表示，富裕国家中最爱诉讼的美国，也还没有哪个诉案是由这种自动的电邮页脚的存在与否引起的。
Use good science and prudent behavior in a GMP environment to demonstrate the absence of solvent. If the presence or absence can't be demonstrated, test the product.
在GMP环境下，采用良好的科学和稳健的方式来证明溶剂是否存在。如果无法证明，那么就对产品进行检测。
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
领导力表现在，因为有你，他人能做得更好，甚至当你不在时，你的影响力依然还在。
The rates of non-union and avascular necrosis in the presence or absence of fragmentation were compared in both undisplaced and displaced groups.
比较有移位和无移位组有或无骨折片的患者骨不连和缺血性坏死发生率。
Methods Spectrophotometry was used to determine the changes of activity of HPAP during guanidine denaturation in the presence and absence of phosphate.
方法应用分光光度法测定有磷酸盐及无磷酸盐存在时，HPAP在胍变性过程中的活力变化。
By analysis and comparison between the displacement curve in the absence of failure and that in the presence of failure, the causes of clutch failure are known.
通过中间件在无故障情况下的位移曲线与在故障影响下的位移曲线比较分析，最后可以掌握离合器故障产生的原因。
One procedure fordoing this is to measure the matrix in the presence and absence of the otheractive drug substance or degradant: any interference should not exceed 2%.
另外解决的方法是不管其他活性成分或者存在存在的降解产物，对主要成分的干扰均不得超过2%。
The ultrafiltration constant is introduced to this model, by which the steady ultrafiltration process can be divided into two types: in the presence of cake and in the absence of cake.
在模型中引入了超滤常数，根据超滤常数将超滤过程稳态渗透通量计算分为有滤饼层和无滤饼层两种情况。
Adsorption phase equilibrium experiments and kinetic experiments of phenol on NKAII resin in the absence and presence of ultrasound were carried out in this paper.
进行了常规条件和超声场条件下苯酚在NKAII树脂上的吸附相平衡实验和吸附动力学实验。
Adsorption phase equilibrium experiments and kinetic experiments of phenol on NKAII resin in the absence and presence of ultrasound were carried out in this paper.
进行了常规条件和超声场条件下苯酚在NKAII树脂上的吸附相平衡实验和吸附动力学实验。
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