He felt rather awkward in presence of ladies.
他在女士面前有些窘。
How empty is theory in presence of fact!
跟事实一比，理论就显得太空洞了。
Corrosivity Corrosive in presence of copper.
腐蚀性对于铜会产生腐蚀性。
The comments were made in presence of Pope Benedict by one of his inner circle.
在教皇在场的情况下，教皇核心集团一名成员发表了该评论。
MBS is graft polymers prepared by polymerization of MMA in presence of PBD-styrene rubber emulsion.
MBS是由丁苯橡胶与甲基丙烯酸甲酯经乳液聚合而得的接技聚合物。
The reaction of gallium with 8-hydroxyquinoline 5 sulfonic acid in presence of CTMAB has been studied.
研究了在溴代十六烷基三甲铵存在下，8-羟基喹啉-5-磺酸与镓的络合反应。
Bids will be opened immediately offer the deadline in presence of bidders' representatives who choose to attend.
当参加投标的那些投标人的底价出现时，标价将立即公开。
Penalty function based method is a very effective method to estimate the number of sinusoid in presence of additive noise.
在加性噪声情形下，惩罚函数方法是一种简洁有效的谐波信号个数估计方法。
Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).
在阳离子表面活性剂——十六烷基三甲基溴化铵（CTMAB）的存在下，用比浊法对铝箔蚀腐液中微量硫酸根离子进行测定。
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 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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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 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。
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。
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。
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。
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