元素 的中文句子和英文句子

属，族元素周期表上的一栏

A column in the periodic table of the elements.


长音节的拆分或替换一个韵律元素替代另一个，尤指在数量韵文中用两个短音节替代一个长音节

The substitution of one metrical unit for another, especially the substitution of two short syllables for one long syllable in quantitative verse.


这些是惰性元素。

These are inactive elements.


放射性元素自然产生或人为制造的放射性元素

A naturally occurring or artificially produced radioactive element.


用来分隔或组织计算机程序元素或数据元素的字符或字符串。例如括号、空格符、算术运算符、if（如果）、“BEGIN＂等。

A string of one or more characters used to separate or organize elements of computer programs or data; for example, parentheses, blank character, arithmetic operator, if,"BEGIN".


对记录而言，程序定义的数据分层次序。结构内的元素的格式可能彼此不同，而一个数组中的元素的格式必须相同。

A program-defined hierarchical ordering of data for a record. Elements within a structure may be formatted differently from each other, whereas elements in an array must all have the same format.


镭和铀是放射性元素.

Radium and uranium are radioactive elements.


这两种元素已经化学合成.

The two elements are synthesized by a chemical process.


1810年以前还没有认出硫是一种元素。

Sulphur was not identified as an element until1810.


众所周知，当一种元素与氧结合时，形成的东西被称为氧化物。

It is well known that the thing formed when an element combines with oxygen is called oxide.