The chemical composition of rainfall changes slightly as raid clouds move.
当雨云移动时，降雨的化学成分略有变化。
The chemical composition of rainfall changes slightly as rain clouds move.
降雨的化学成分随着雨云的移动而发生轻微变化。
If a change does not affect the food's chemical composition, we call it a physical change.
如果一种变化不影响食物的化学成分，那我们便称之为物理变化。
Scientists had information about the shape of the domes but not about their chemical composition and origins.
科学家们掌握了关于圆顶形状的信息，但不清楚它们的化学成分和起源相关的信息。
We know they smear a liquid on the tube, but we don't know where they secrete it from or what its chemical composition is.
我们知道它们在管上涂抹了一种液体，但我们不知道它们从哪里分泌出这种液体，也不知道它的化学成分是什么。
Ir is found in high concentrations in some meteorites, in which the solar system's original chemical composition is preserved.
人们发现，在一些保存着太阳系原始化学成分的陨石中，铱元素的含量很高。
Samples recovered from the expedition revealed important differences in chemical composition and fossil distribution among the sediment layers.
探险队采集的样品揭示了沉积物层之间化学成分及化石分布上的重大差异。
When you analyze this light, you can figure out their distance from the Earth, and identify what they are made of, determine their chemical composition.
当你分析这些光的时候，你可以计算出它们与地球的距离，并确定它们由什么构成，查明它们的化学成分。
Each pattern stands for a distinct chemical element, and so different sets or patterns of spectral lines mean that the star has a different chemical composition.
每一种样式代表一种不同的化学元素，所以光谱线的不同集合或模式意味着这颗恒星有不同的化学成分。
The answer to this riddle lies in the metabolic activity of early photosynthetic life-forms that slowly but surely transformed the chemical composition of Earth's atmosphere.
这个谜题的答案在于早期光合生命形式的新陈代谢活动，这种活动缓慢但一定改变了地球大气的化学成分。
The Saussurea involucrata chemical composition was: alkaloid, flavanone, sterol, volatile oil, 16 kind of amino acids, Saussurea involucrata lactone and so on.
雪莲化学成分为：生物碱、黄酮、甾醇、挥发油、16种氨基酸、雪莲内酯等。
The fiber shape and chemical composition of bamboo are suitable for pulping.
竹子的纤维形态及化学组成表现出较好的制浆性能。
The method is good for quantitative analysis of flax fiber chemical composition.
本方法是一种对亚麻纤维进行化学成分定量分析的好方法。
Water has the same chemical composition, be it in solid, liquid or gaseous state.
水无论是固态、液态或气态，其化学组成都是相同的。
As one of traditional Chinese medicines, Honeysuckle has complicated chemical composition.
金银花为中医常用药，其化学成分复杂多样。
The results actually compared pretty well to the earlier estimate based on chemical composition.
这个结果相比早先根据化学成分计算出来的确实相当不错。
The chemical composition of water remains constant whether it is in solid, liquid or gaseous state.
无论处于固态、液态或气态，水的化学成份都保持不变。
We present a new approach for rapid collection of fine particles and on-line measurement of chemical composition.
本文介绍了一种新型的大气细粒子快速捕集及其化学成分在线分析方法。
The next step is to look at the chemical composition of these planets, their cloud structures and their thermal properties.
下一步是要了解这些行星化学成分，它们的云层结构和热性能。
Technicians can date paint from its chemical composition, for example, or X-ray a canvas to reveal what lies below the surface.
例如，技术人员可以通过其化学成分分析其创作日期，或者对一幅画做X光透视，揭示其表面下有什么。
Ascertaining that a star has exactly the sun's age is impossible, he says, and many unrelated stars share its chemical composition.
他继续补充道，找到一个和太阳有相同年龄的恒星根本没有可能，而且很多和太阳没有关系的恒星也有着与其相同的化学构成。
The random structures formed by packed bubbles, as seen in figure 1, are largely independent of bubble size and chemical composition.
图1中所示的塞满了的气泡形成的随机性结构很大程度上与气泡大小和化学成分是不相关的。
To find out why, researchers used sophisticated X-ray analyses to determine the exact chemical composition of the paint as it browns.
为找出原因，研究人员用精密X射线分析仪测定了变成褐色颜料的精确化学成分。
The reserve tanks at a reactor contain the same grade of water in terms of purity and chemical composition that are normally used in the core.
反应堆的储备箱里储备了与反应堆内同等纯度和化学构成的水。
Electronic noses are novel systems used to measure the chemical composition of gas, which are designed like the biological olfactory system.
电子鼻是仿照生物的嗅觉系统所设计出来的一个用于测量气体中的化学成分的系统。
Estimates have been made based on the expected chemical composition of the interior, but we've never actually measured the radiogenic contribution.
估算建立在预期的内部化学成分上，但我们从来没有实际地测量放射性物质在热量产生中发挥的作用。
Geologists are investigating the chemical composition of carbonate rocks that lie beneath the surfaces where early human fossils have been uncovered.
地质学家正在调查位于早期人类化石发现地之下的碳酸盐岩的化学组成。
Because volcanoes are gas-driven machines. An eruption is often preceded by an increase in discharged gas and by variations in its chemical composition.
因为火山就相当于一台气体驱动的机器，排放气体量的增加和气体化学成分的改变通常是喷发的前奏。
Because volcanoes are gas-driven machines. An eruption is often preceded by an increase in discharged gas and by variations in its chemical composition.
因为火山就相当于一台气体驱动的机器，排放气体量的增加和气体化学成分的改变通常是喷发的前奏。
应用推荐