元素 的中文句子和英文句子

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.


这些是惰性元素。

These are inactive elements.


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".


补集对任意一个集合，这个集合的所有元素不共存在于它的任一子集合

For a universal set, the set of all elements in the set that are not in a specified subset.


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.


镭和铀是放射性元素.

Radium and uranium are radioactive elements.


属，族元素周期表上的一栏

A column in the periodic table of the elements.


现在周期表包括人类已知的全部元素，这些元素按适当的顺序排列起来。

The periodic table now contains all the elements known to man arranged in their proper sequence.