presence的例句大全

Water and alcohol without aluminum alkyls presence would decrease the charge accumulation in the fluidized bed.

实验结果表明，在没有烷基铝存在的条件下，水和醇类会使流化床中的静电积累量显著减少。

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Determination of sulfate radical in the presence of usual cations by the improved Alizarine Red S method

有常见阳离子存在下用改进的茜素红S法测定硫酸根的研究

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The presence of non-task-oriented ideas is a sign of broad interest, concern, and alertness on the part of the employees.

一些非有关部门工作的建议的产生，标志了在部分职工中的广泛兴趣、机智和关心企业的精神素质。

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Alerter operation consists of a vigilance task that verifies the presence of the Engineer upon periodic sequence.

报警器操作包括警戒任务，根据周期顺序验证工程师是否出席。

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The presence of aggressive cover water containing phosphoric acid and having a pH of 1. 61-1. 83 was a factor accelerating attack.

含磷酸的密封水（pH在1.61～1.83）具有腐蚀性，加速了腐蚀进程。

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One of the sailors led me to the afterdeck, where I stood in the presence of a smart-looking officer who extended his hand to me.

一个水手领我到船尾楼上见他。这位军官气色很好，他向我伸手。

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Uh... Dang it! So, do you believe the Afghani people are happy about our presence here?

那么，你认为阿富汗尼人喜欢我们在这吗？

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The presence of inner Chambers in the Western Han Dynasty is the development of absolute monarchy.

西汉内朝的出现是皇帝专制发展的产物。

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But, in the absence of exchange rate flexibility and in the presence of high interest rates, cutting fiscal deficits on its own may well exacerbate slumps.

但在没有弹性汇率，而利率高企的前提下，单纯削减财政赤字很可能会加重经济低迷。

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The presence or absence of clouds can have an important impact on heat transfer

有无云层对热量的传递会产生重要的影响。

《柯林斯高阶英汉双解学习词典》

These results have proved the presence of MDMA postmortem redistribution in rats.

MDMA在大鼠体内存在死后再分布现象；

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Presence of soil is not favorable for recovering fine gold in the process of gold dressing.

其余为砾石、卵石和泥土.泥土在选金中不利回收细粒金.

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Other recent acquisitions include Braintree, which bolstered PayPal's presence in processing software used in mobile apps.

PayPal最近的收购还包括Braintree公司，后者让PayPal加大进军移动应用中的处理软件。

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The presence of two peaks,~ 57 ° and~ 102 °, in bond angle probability distribution indicates a very complicated structure in liquid silicon.

键角几率分布出现两个峰值，～57°和～102°，表明液态硅中存在复杂的结构。

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There is widening of the joint with stress in the presence of instability due to UCL laxity.

当尺侧副韧带松弛的时候，关节稳定性变差，在超声图像上表现为在应力作用下关节间隙变宽。

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Continuous casting-rolling technique in the presence of electromagnetic fields is a new attempt in this area.

将电磁场引入铸轧区中,实现电磁连铸轧是一种新的尝试.

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Want presence merchandise trade, business standing only , tick is inevitable.

只要存在商品交换 、 商业信用,赊销就不可避免.

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The quality of being secluded from the presence or view of others.

从别人的视线中隐蔽的性质。

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The potentials of the solutions which contained various concentrations of Tb(ⅳ) in the presence of the complexing reagent have been measured and it has been found that under this condition the formal potential of the Tb(ⅳ)/ Tb(ⅲ) couple is+ 0.953 V.

测定了有络合剂存在时，不同浓度Tb（Ⅳ）溶液的电位，测得Tb（Ⅳ）/Tb（Ⅲ）电对在该条件下的克式量电位是+0.953V。

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A universal model of telecommunication cable surrounded by the buried metal pipeline for calculating their current distribution and shielding effects is presented, which takes the inductive coupling and resistive coupling with each other in the presence of a uniform half space conductive medium ( earth) into account.

建立了一种考虑感性耦合与阻性耦合影响时，铠装电缆套加装金属管道后电磁屏蔽计算的通用模型。

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