presence的例句大全

Androgenetic alopecia: Does its presence change our perceptions?

雄激素性秃发是否改变了人们的观念？

In order for the altruist not to be exploited by non-reciprocaters, it would be expected that reciprocal altruism can only exist in the co-presence of mechanisms to identify and punish "cheaters".

为了使利他主义者不被非互惠者们利用，可以预期，互惠利他主义只能在查明和惩罚“骗子”的机制都存在的情况下发生。

( genetics) a character inherited on an all-or-none basis and dependent on the presence of a single gene.

（遗传学）一个特点的遗传取决于非完全的主要因素和单个基因的存在。

The liquefaction behaviors in the presence of iron-based catalyst and without any catalyst were compared.

研究了以四氢化萘为溶剂,蔗渣分别在铁系催化剂和无催化剂作用下的液化反应.

Maintaining a presence and ever improving relationship with major customers through service calls.

通过技术服务来维护和加强客户关系.

Microcellular foams are developed materials characterized by the presence of multiple small cells.

微孔发泡塑料是一种内部含有很多小泡孔的新型材料,具有很多优异性能.

The presence of saturable absorber also has influence on laser mode.

本文提出可饱和吸收体Cr4+:YAG在激光谐振腔中可具有横模选择的作用.

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。

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

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。

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。

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。

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

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。

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。

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。

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。

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。

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

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。