Nowhere in nature is aluminum found free, owing to its always being combined with other elements.
由于铝总是和其他元素结合在一起，所以在自然界中找不到游离的铝。
Nowhere in nature is aluminum found free, owing to its always being combined with other elements, most commonly with oxygen.
由于铝总是和其他元素结合在一起，最常见的是和氧结合，所以在自然界中找不到游离的铝。
More usefully, you can combine it with other elements in order to support more complex output and filtering.
更有用的是，您可以将它与其他元素组合，以支持更复杂的输出和过滤。
The silicon of which transistors are made is frequently doped with other elements, to affect its electrical properties.
构成晶体管的硅常常要和其他原子掺杂以改变其导电性能。
As with anything else in automation, offload table capacity should be balanced with other elements in the system (see Figure 3).
卸载平台的能力要和自动化系统其他要素的步调协调起来(见图3)。
It will not react with other elements or compounds under ordinary conditions.
一般情况下不同其它元素或化合物反应。
Some metals are found in their native status, that is, uncombined with other elements.
有些金属是以天然状态存在的，即不与其他元素化合。
Xenon is a noble gas, which means that it does not typically react with other elements.
氙是一种惰性气体，这意味着它通常不会与其他元素产生化学反应。
Being a noble gas, it resists chemical bonding with other elements and is thus easy to purify for isotopic analysis.
由于氙是惰性的，不易与其他元素产生化学键，因此很容易纯化以进行同位素分析。
Native element: Any of the 19 chemical elements that occur AS minerals and are found in nature uncombined with other elements.
自然元素：以自然状态存在于矿物中，不与其它元素结合的十九种化学元素。
A machine element is, therefore, a single unit designed to perform a specific function and capable of combining with other elements.
因此，机械零件只是设计来完成某个特定功能并能与其它零件相结合的一个单元。
The urbanization power, along with other elements, such as technology and culture, will innovate a brand new commercial age in the future.
未来城市化的力量将和技术、文化等其他因素一起创造出一个新商业时代。
About 85% of (85 percent of) the elements can be found in nature , usually combined with other elements in minerals and vegetable matter or in substances like water and carbon dioxide.
大约有85%的元素可以在大自然的矿物或者植物中，以及如水和二氧化碳这样的物质中找到，通常与别的元素结合。
About 85% of (85 percent of) the elements can be found in nature , usually combined with other elements in minerals and vegetable matter or in substances like water and carbon dioxide.
大约有85%的元素可以在大自然的矿物或者植物中，以及如水和二氧化碳这样的物质中找到，通常与别的元素结合。
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