presence的例句大全

The Principle and Practice of New Type High-voltage Presence Indicating Device

新型高压带电显示装置的原理与实践

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By considering model uncertainty in optimization, we can make the pricing policy more applicable in practice. First, we study the limited inventory pricing problem for perishable products in the presence of structured model uncertainty.

通过在价格优化时考虑到需求模型的不确定，可以使优化的价格具有更强的适用性。本文首先研究了结构化模型不确定下，如何对有库存约束的易逝品制定价格策略的问题。

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The experiments showed that the rooting ability of hardwood cuttings was determined by both presence of latent root primodia and balance of endogenous hormones bark.

试验表明，硬枝扦插生根是潜伏根原基存在与否和皮部内源激素平衡两方面的原因决定的。

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The dehydrogenation of 1-methyl-3,5-diphenyl-pyrazoline in the presence of cupric chloride& ⅰ. complexes

1-甲基-3,5-二苯基吡唑啉在氯化铜催化下的氧化脱氢反应&Ⅰ.反应过程中形成的配合物

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The results showed that the presence of the cupric acetate had an obviously promotion for PBT depolymerization in subcritical water.

结果表明：醋酸铜的存在对于PBT在亚临界水中的解聚具有明显促进作用。

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There was no relation between the cumulative dose of cabergoline and the presence of mild, moderate, or severe valve regurgitation.

卡麦角林的累积剂量和轻度、中度、重度瓣膜返流无明显相关。

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The results showed that the crystallization heat of PA6 decreased when PA6 was blended with POE. In the presence of compatibilizer,γ crystal and crystal rate of PA6 in TPE decreased.

结果表明，POE降低了TPE中PA6的结晶热，相容剂的加入使TPE中PA6的γ结晶减少以及降低了PA6的结晶速度。

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The presence of dispersants and detergents increase the foaming tendency of crankcase oil.

在场的分散剂和洗涤剂增加发泡趋势曲轴箱油。

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The synthesis of benzyl propionate from propanoic aid, sodium hydroxide and benzyl chloride in the presence of PTC was studied.

本文研究了用相转移催化合成丙酸苄酯的方法。

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Orthogonal experimental research on catalytic upgrading of cat cracked gasoline in presence of compounded catalyst

复合催化剂上催化裂化汽油催化改质的正交实验研究

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Method for measuring trace gold with X-ray fluorescence after pre-enrichment is presented. The gold is enriched in a medium of 10% aqua regia in presence of Br 2 with polyurethane foam loaded with diphenylthiourea and methyl isobutyl ketone.

报道了在10%王水介质中，有Br2存在时用二苯基硫脲&甲基异丁酮泡沫塑料富集、X射线荧光测定痕量金的分析方法。

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Nonlinear Stochastic Evolution Model of Variable Coupled Neuronal Oscillator Population in the Presence of External Stimuli

刺激下可变耦合神经振子群活动的非线性随机演化模型

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I think it is fairly clear that this is what the central meaning must be. The presence of angina indicates significant coronary ischemia.

我认为很明显的这就是中心意义所在。心绞痛本身说明有明显的冠状动脉供血不足。

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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》

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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The presence of Falling Weight Deflectometer meets this need.

落锤式弯沉仪的出现适应了这一需求.

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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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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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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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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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