The talks took place in the presence of a diplomatic observer.
会谈是在一位外交观察家在场的情况下进行的。
He said they were opposed to what he described as the presence of alien forces in the region.
他说他们反对他所描述的在该地区有外国军队的存在。
The codicil must first be signed and dated by you in the presence of two witnesses.
该遗嘱附件必须首先由你当着两个连署人的面签名并写上日期。
Litmus paper turns red in the presence of an acid.
石蕊试纸遇到酸就变红。
The document was signed in the presence of two witnesses.
本文件由两位证人见证签署。
The test can identify the presence of abnormalities in the unborn child.
这项化验能鉴定胎儿是否有不正常现象。
Because of their narrow bandwidth, CF signals portray only the target's presence and, in the case of some bat species, its motion relative to the bat's.
因为它们的频宽很窄，CF信号只能描绘目标的存在，而对于一些种类的蝙蝠来说，CF 信号还能描述目标相对于蝙蝠的运动。
In the case of great philosophers, however, better yet to preserve one's physical presence to inspire future generations of thinkers.
然而，对于伟大的哲学家来说，更好的办法是保存一个人的存在，以激励后世历代的思想者。
Would'st sit in the presence of the King?
你怎么敢坐在国王面前？
A number of scientists question the assumption that the presence of alien species can never be acceptable in a natural ecosystem.
一些科学家质疑这样的假设，即在自然生态系统中，外来物种的出现是绝对不会被接受的。
Owens and Olson hypothesize that the presence of carotenoids, as signaled by coloration, would be meaningful in the context of mate selection if carotenoids were either rare or required for health.
欧文斯和奥尔森假设，如果类胡萝卜素是稀有的或对健康有要求的，则通过着色指示的类胡萝卜素的存在在配偶选择的背景下将是有意义的。
Some point to the presence of Egyptian names, and customs, and religious beliefs and laws as a sign of some historical memory being preserved in these stories.
一些人指出埃及人的名字、习俗、宗教信仰和律法的存在，是这些故事中保留的一些历史记忆的标志。
Likewise, the other foods and pleasing odors attracted and maintained the continued presence of God in the sanctuary.
同样，其他食物和令人愉悦的气味吸引并保持了上帝在圣所中的持续存在。
Her theory about uranium would have explained the presence of element 43 in her team's ore sample.
她关于铀的理论可以解释她的团队的矿石样本中43号元素的存在。
For today's youth, books, newspapers and magazines have less and less of a presence in their daily lives.
对于今天的年轻人来说，书籍、报纸和杂志在他们的日常生活中存在感越来越低。
A conspicuous sign indicating the presence of white-tailed deer in a woodlot is a buck rub.
白尾鹿出没于一片林地的明显标志是“擦鹿”。
Hess suggested that the presence of water, probably released from minerals decomposing in the Earth's mantle, might have meant that a high-magnesium magma could have existed at a lower temperature.
赫斯认为，水的存在可能是由地幔中分解的矿物质释放出来的，这可能意味着含镁高的岩浆可能在较低的温度下存在。
Nevertheless, the presence of floral-patterned rugs in court scenes from two paintings in a 1440s Timurid manuscript suggests that floral-patterned rugs were already being used at that time.
然而，14世纪40年代的帖木儿手稿中的两幅画中宫廷场景中出现的花卉图案的地毯表明，花卉图案的地毯在当时已经被使用了。
However, since the presence of large numbers of tourists tends to accelerate the deterioration of a site, installation of a cable car is certain to result in harm to the ruins.
然而，大量游客的出现往往会加速遗址的退化，安装缆车必然会对遗址造成伤害。
It is written that the noble savage must never express surprise in the presence of the white.
据说，高贵的野蛮人在白人面前决不能表示惊讶。
In usual materials, one finds an inverse relation between the two properties, whereas for many practical applications simultaneous presence of both properties is desirable.
在通常的材料中，人们会发现这两种性质之间的反比关系，而在许多实际应用中，同时存在这两种性质是可取的。
The undisputed pre-Columbian presence in Oceania of the sweet potato, which is a New World domesticate, has sometimes been used to support Heyerdahl's "American Indians in the Pacific" theories.
在哥伦布发现美洲大陆之前，大洋洲无可争议地存在着一种在新大陆被驯化的红薯，它有时被用来支持Heyerdahl的“太平洋上的美洲印第安人”理论。
Indeed, the mere presence of a grape in the other chamber (without an actual monkey to eat it) was enough to induce resentment in a female capuchin.
事实上，只要葡萄出现在其它房间里（不用有猴子真的去吃），就足以引起一只雌性卷尾猴的愤恨。
The presence of MOW equipment either occupying the wrong track or fouling an adjacent track has been the cause of serious accidents in the past.
过去，护路设备占用错误轨道或阻塞相邻车道是造成重大事故的原因。
Be careful of your behaviours in the presence of others, or you will be sorry for it.
在其他人面前注意你的举止，否则你会后悔的。
Wendy, however, felt at once that she was in the presence of a tragedy.
然而，温迪立刻感到她面前这人很可怜。
I could hardly keep my wits together in the presence of that food, but as I was not asked to sample it, I had to bear my trouble as best as I could.
一看到那些食物，我难以保持冷静。但既然没有人要我尝一尝，我只好尽量忍受我的渴望。
He felt rather awkward in presence of ladies.
他在女士面前有些窘。
Speak out in the presence of everyone.
当着大家谈。
Birds cry plaintively before they die, men speak kindly in the presence of death.
鸟之将死，其鸣也哀；人之将死，其言也善。
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