然而，样品制备过程中可能带入人为的物质。
However, it may arise from an artifact during sample preparation.
国会对廉价出售的后果一无所知：全球氦气价格被人为压低，以至于几乎没有人愿意回收这种物质或明智地使用它。
The Congress is ignorant of the consequence of fire sale: global helium prices are so artificially deflated that few can be bothered recycling the substance or using it judiciously.
古代石器时代的人类化石，文物和人为动物的物质非常丰富。
The material of human fossil, culture relic and zoolite in the Old Stone Age are very abundant.
虽然物质产品的价值可以用金钱来衡量，但要估算别人为我们为所提供的服务的价值却是极其困难的。
Though it may be possible tomeasure the value of material goods in terms of money,it is extremely difficult to estimate the true value of the services whichpeople perform for us.
虽然物质产品的价值可以用金钱来衡量，但要估算别人为我们为所提供的服务的价值却是极其困难的。
Though it may be possible to measure the value of material good in terms of money, it is extremely difficult to estimate the true value of the services which people perform for us.
最平凡的人也有灵魂，因此任何物质财富的增长都不能以牺牲凡人为代价来达成一种约定，因为这种约定侮辱了他们的自尊，损害了他们的自由。
Since even quite common men have souls, no increase in material wealth will compensate them for arrangements which insult their self-respect and impair their freedom.
要达此目的，就需要有一种能够包裹各种医疗装备和其他物质并能在适当的时刻、以人为设定的方式把药物释放在适当的地方。
This requires transport systems that can encapsulate medications and other substances and release them in a controlled fashion at the right moment.
这样的警告来自于一份全新的国际科学报告，它详细研究了气候变化与名为“持久性有机污染”的一系列人为有毒物质之间的关系。
The warning comes in new international study into the links between climate change and a class of man-made toxins called persistent organic pollutants.
有些喷雾状物是自然形成的，比如说浪花，或火上爆发，但是NASA（美国国家航空宇航局）估计大气中10%的此类物质属于人为造成。
Some aerosols occur naturally like sea spray and volcanic emissions, but NASA estimates ten percent of the total aerosols in the atmosphere are caused by people.
这些说明，防御食品中人为的添加化学物质、有害物质有些是可是用肉眼或简单的方法检验出来的。
These instructions, defense artificially added chemicals in food, some harmful substance is but with the naked eye or simple method of inspection.
结果表明，该滑坡受地形地貌和物质结构条件控制，受人为工程切坡和降雨诱发而形成的。
It shows that the landslide is controlled by landform and material-texture conditions, and induced by engineering excavation and precipitation.
这些大气粒子或浮质可能是自然形成的，也可能是人为产生的，它们包括富含矿物质的尘埃、煤烟、有机分子以及海盐晶体。
These atmospheric particles or aerosols maybe natural formed or caused by the human actions. They consist of dust, soot, organic molecules, as well as sea salt crystals which are mineral-rich.
从人为事物的属性层面来说，救灾房是人类特定需求的物质载体。
From the artificial thing's attribute stratification plane, the disaster relief room is the human specific demand material carrier.
故而有姿态的符号体系，有些是由身体的动作型态形成的，有些则是由物质的人为制品体系形成等。
Thus there are systems of gesticulatory signs, of patterned bodily movements , of various sets of material artifacts, and so on.
取代尼罗河的作用：人为的营养物质在提供过去由一条大河带给地中海的肥力吗?。
Replacing the Nile: Are Anthropogenic Nutrients Providing the Fertility Once Brought to the Mediterranean by a Great River?
人为物质流已成为引起地壳物质运动的一种重要地质营力，深刻地改变着地球的表层系统。
Anthropogenic material flow has become an important geological agent, which resulted in movements of the crust material and profoundly affected the earth surface system.
虽然物质产品的价值可以用金钱来衡量，但要估算别人为我们所提供的服务的价值却是极其困难的。
Though it may be possible to measure the value of material goods in terms of money, it is extremely difficult to estimate the true value of the service which people perform for us.
城市生态系统是人为改变了结构、改造了物质循环和部分改变了能量转化的、长期受人类活动影响的、以人为中心的陆生生态系统。
Urban ecosystem is the continental ecosystem centering round mankind, with its structure changed, material cycle and part of energy conversion forms reformed.
围岩工程地质条件既是产生隧道地质灾害的物质基础，又是研究隧道地质灾害的载体，撇开人为因素隧道地质灾害都可以从围岩工程地质条件中找到根源。
The surrounding rock engineering geology is not only the material foundation of producing disasters in loess tunnel, but also the carrier of studying the geological disasters.
天指代了客观的自然界和现实的物质世界，一方面是指与地相对应的天空，一方面是指与人为相对应的事物的自然性。
On the one hand, it indicated the sky which corresponded with the land, on another hand, it indicated the naturality of things which corresponded with artificiality.
大量宠物食品配料的中国供应商被发现添加化学物质来人为地提高其产品的蛋白质含量读数。
Chinese suppliers of bulk pet food ingredients were found to have been adding the chemical to artificially boost the protein readings of their products.
虽然物质产品的价值可以用金钱来衡量，但要估算别人为我们所提供的服务的价值却是极其困难的。
Though it may be possible to measure the value of material goods in terms of money, it is difficult to estimate the true value of the services which people perform for us.
虽然用钱来计算这些物质货物的价值是可行的，但是估计这些其他人为我们提供的服务价值会是非常难的。
Though it may be possible to measure the value of material goods in terms of money, it is extremely difficult to estimate the true value of the services which people perform for us.
巨大的次大陆储备了各种矿物质，自然财富和人为财富。
The huge subcontinent is a reserve of various minerals, natural wealth and manmade wealth left to be used.
只管食物中已经含有了自然的致癌物质，然而，再人为地增添一些有毒物资也是很不应当的。
If aliment alaccessible accommodates accustomed carcinogens, it does not accomplish faculty to add catnapns of new counterfeit ones.
只管食物中已经含有了自然的致癌物质，然而，再人为地增添一些有毒物资也是很不应当的。
If aliment alaccessible accommodates accustomed carcinogens, it does not accomplish faculty to add catnapns of new counterfeit ones.
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