火星的大气层只含有微量的水。
他们已经开发了这些传感器，可以检测到微量的乙烯。
They've developed these sensors that can detect tiny amounts of ethylene.
"我们的鼻子能够识别成千上万种气味，也可以感知那些极其微量的气味。
Our noses are able to recognise thousands of smells, and to perceive odours which are present only in extremely small quantities.
人们可以轻松地获取眼泪，不会对身体造成伤害，而且只需要微量的眼泪就可以进行高度精细的分析。
Tears can be obtained painlessly without invading the body and only tiny amounts are needed to perform highly refined analyses.
微量的一些激素可以改变我们的情绪和行为，我们的饮食倾向，我们的侵略性或顺从性，以及我们的繁衍和作为父母角色的行为。
Tiny amounts of some hormones can modify our moods and our actions, our inclination to eat or drink, our aggressiveness or submissiveness, and our reproductive and parental behavior.
微量的化学物质还残存在土壤中。
每一次激光束的脉冲移除微量的组织。
With each pulse of the laser beam, a tiny amount of corneal tissue is removed.
有些动物可以消耗很微量的初级产物。
Some animals may consume insignificant amounts of the primary production.
一颗中子星很微量的一部分，重量也会超过1亿吨。
A thimbleful of a neutron star would weigh over 100 million tons.
只要极微量的水银散发到空气中就会产生不健康的水银蒸汽。
It takes very little mercury in air to create unhealthy levels of vapor.
墨水中含铁，而微量的铁会在X射线的轰击下显露它们的踪迹。
The ink contains iron, and traces of iron can be made to reveal themselves when bombarded with X-rays.
绿宝石其实是一种铍铝硅酸盐，而它的颜色则来自于微量的铬元素。
Beryl is a beryllium-aluminum silicate, and its color comes from small amounts of chromium.
在碳- 14散布到全球之后，微量的这种气体被缓慢生长的苔藓吸收。
Find a good description of the dating process here. After carbon-14 spread throughout the globe, tiny amounts of the gas were taken up by the slow-growing mosses.
动物产品只含有微量的维生素，矿物质和营养素，因为动物吃植物(海洋或陆地)。
Animal products only contain trace amounts of vitamins, minerals and nutrients because animals eat plants (sea or land).
汗液几乎全是由水组成，也含有微量的化学元素，包括氨、尿素、盐和糖。
Sweat is also known as perspiration, and it is made almost completely of water, with tiny amounts of other chemicals like ammonia, urea, salts, and sugar.
图上这只眼睛中，糖尿病已经引发视网膜微量的出血，以及黄色血脂的沉积。
In this eye, diabetes has caused tiny hemorrhages in the retina and yellowish deposits of blood fats (lipids).
成分中还包括微量的钠，钙，硅，硫和高宏观分子混合物-所有都是微量的。
Ingredients also include sodium, calcium, silica, sulfur and a high macro-molecular complex-all in trace amounts.
这种情况比较常见--鱼中尚遗留有微量的毒，导致食用者感到轻微麻木和刺痛。
It is normally prepared in such a way that a tiny amount of poison is left in the fish as the poison gives it a slightly numbing and tingling effect.
煤炭中有微量的铀残留物；而这些微量残留所蕴含的能量比所有的煤炭本身还要多。
There are tiny amounts of uranium residue in coal; those trace residuals have more energy potential than all the coal itself.
它们还需要微量的铁，由于海洋中铁的含量非常低，限制了浮游植物大面积的生长。
They also require trace amounts of iron which limits phytoplankton growth in large areas of the ocean because iron concentrations are very low.
这种微量的银对人体没有健康风险，却能杀灭水中的99.89%的细菌和微生物。
The silver, which presents no health risks in such miniscule amounts, kills off 99.89 percent of the microbes that live in the water.
尽管非常微弱，但每一个光子都携带着微量的动量离开小行星，给小行星形成一种微弱的反冲。
Although very tiny, each photon carries a small amount of momentum away from the asteroid, giving it a tiny kick.
源于石质天体星子(planetesimals)的陨石样品表明这些石质物体包含微量的水。
Samples of meteorites that originated from planetesimals indicate that the rocky bodies contained tiny amounts of water.
交食所带来的负面效应是非常微量的，大约徘徊于一个百分点的十七分之一左右，但它的确存在。
The depressive effect of the eclipse was slight—around a seventeenth of 1%—but it was there.
FDA表示，检测出这么低含量的三聚氰胺是因为使用了新的技术，这种技术能检测出微量的三聚氰胺。
The FDA said the low level of melamine was detected with the use of new technology that can detect minute traces of the chemical.
图上这只眼睛中，糖尿病已经引发视网膜微量的出血，以及黄色血脂的沉积。这种病称为糖尿病视网膜病。
In this eye, diabetes has caused tiny hemorrhages in the retina and yellowish deposits of blood fats (lipids). The condition is known as diabetic retinopathy.
酸性PH值和头发上的微量的负电荷相互作用，以此来帮助毛小皮，即头发表面的一层，保持表面光滑平整。
The acidic pH interacts with the hair's slightly negative charge to help the cuticle, the outer layer of the hair, maintain a smooth, flat surface.
每年，只有很少一部分的牛奶被发现是“热奶”(hot milk)，包括微量的抗生素，这种情况下，牛奶会被销毁。
Each year, only a small number of truckloads are found to be "hot milk," containing trace amounts of antibiotics. In those cases, the milk is destroyed.
每年，只有很少一部分的牛奶被发现是“热奶”(hot milk)，包括微量的抗生素，这种情况下，牛奶会被销毁。
Each year, only a small number of truckloads are found to be "hot milk," containing trace amounts of antibiotics. In those cases, the milk is destroyed.
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