presence的例句大全

He advocated the withdrawal of the American presence in Lebanon.

他主张美国人应该从黎巴嫩撤走。

Using the dressed test particle approach to deduce the scattering power spectrum of radio waves by a quasi-equilibrium ionized gas in the presence of an external magnetic field

用试验粒子法求有外磁场影响时准平衡态下的等离子体气体的散射功率谱

Only Java has much of a presence in academia, and even then there is little interest except using the language as a vehicle for teaching programming.

只有Java在学术界较多地出现，即便如此，除了将语言作为编程教学的工具之外也很少有兴趣了。

Theoretical Inference of J-Integral and Applied Tearing Modulus in the Presence of Crack Growth

裂纹扩展下J积分及施加撕裂模量的理论推导

Technical review on oxidation degradation organic pollutants in wastewater by ultrasound in the presence of ultraviolet

超声波-紫外光氧化处理有机废水技术综述

The data of the comparative test of three profile wearing capacity in the presence of an abrasive is recorded, and expressed by figures and tables which are analyzed.

记录了三种常见的开式齿轮的齿形进行磨粒磨损对比实验的数据，将这些数据画成图表，并对这些数据和图表进行分析。

At the presence or catalyst, the synthesis process of epoxy ester from tetrabromobisphenol a epoxy resin and oleic acid has been reported.

介绍了在催化剂存在下从四溴双酚A环氧树脂和油酸合成环氧酯的过程。

The polarographic catalytic wave of rhodium(ⅲ) with 2 ( 5 bromo 2 pyridylazo) 5 dimethylamino aminobenzene ( 5 Br PADMA) in the presence of positive ion surfactant, tetrabutylammonium bromide ( TBAB) is described.

报道在阳离子表面活性剂四丁基溴化铵（TBAB）存在下，铑（Ⅲ）-2-（5-溴-2-吡啶偶氮）-5-二甲氨基苯胺体系的极谱催化波。

The study of optimum conditions of the colour reaction of scandium with chrome azurol S in the presence of tetradecyl pyridinium chloride and emulgent OP is reported in this paper.

研究了在氯化十四烷基吡啶及乳化剂OP存在下，铬天青S与钪显色反应的适宜条件。

A new initiator system, di-tert-butyl peroxide in the presence of MgO or BaO, has been proposed for the telomerization of tetrafluoroethylene with lower aliphatic alcohols.

本工作提出了一种新的引发系统即在MgO或BaO存在下的过氧化叔丁基，应用于四氟乙烯与甲醇、乙醇及异丙醇等低级脂族醇的调节聚合。

Hyperbranched polyacrylate copolymers synthesized by self-condensing vinyl copolymerization in the presence of a tetrafunctional initiator

在四官能团引发剂存在下的自缩合乙烯基聚合反应制备丙烯酸酯类超支化共聚物

The X-ray diffraction analysis indicate that the films are of tetragonal rutile structure without any Mn compounds, except for5% Mn doping, in which the slight orthorhombic phase appears due to the presence of defects and strain.

X射线衍射分析表明该薄膜是四方金红石结构，且未发现任何Mn的化合物。其中只有5%的Mn掺杂样品结构有微小的斜方晶相出现。

Preparation of 4-Amino-2,2,6,6-Tetramethyl-4-Piperidine in Presence of Catalyst

催化合成2,2,6,6-四甲基-4-氨基哌啶

This confirmed the presence of tetrasomy 8 and trisomy 8 and also revealed a low percentage of a pentasomy 8 clone.

这不但证实了三体8和四体8克隆的存在，还发现存在一个较小的五体8克隆。

The violent protest in Afghanistan was organised in response to the burning in the United States last month of a copy of the Koran in the presence of the American pastor Terry Jones.

阿富汗发生的暴力抗议是对美国牧师琼斯（Terry Jones）上月焚烧可兰经的行为作出的反应。

So Cain went out from the Lord's presence and lived in the land of Nod, east of Eden.

于是该隐离开耶和华的面，去住在伊甸东边挪得之地。

SOLUTION OF NON-INTEGRAL PRINCIPAL QUANTUM NUMBERS OF THE WAVE EQUATION AND ATOMIC STRUCTURE& Cause of the Presence of Transition Metals, Rare Earths and Actinium Series

波动方程的非整数量子数解与原子结构&过渡金属、稀土金属和锕系元素存在的原因

The presence of Mg or La retard the rate of active decay.

镁和镧可减小活性衰减速率。

Given economists'almost theological commitment to the notion that markets clear, the presence of unemployment in the world requires a theodicy [ 7] to explain it.

经济学家几乎如同信奉神灵一般地信奉这样一种观点，即市场终究是要出清的。

A macroscopic mechanical model of friction reduction in the presence of vibration was introduced and a theoretical model of velocity control using throttle plates was established.

引入了振动减摩宏观力学模型，建立了基于流体力学的节流调速理论模型。