字母字符

New variable names must be alphanumeric, less than 25 characters, and contain no spaces.

新的变量名必须为英文字母，只有不到25个字符，并且不含空格。

Return a true value if all the characters are alphanumeric.

返回a的真正价值，如果所有字符是字母。

Alphanumeric Data Numbers, letters, and other characters

数字数据数字，字母和其他字符

The alphabet for JLex is the Ascii character set, meaning character codes between 0 and 127 inclusive.

Jlex的字母表是ASCII字符集，这意味着字符值在0－127之间。

As in Python string literals, the backslash can be followed by various characters to signal various special sequences.

做为 Python 中的字符串字母，反斜杠后面可以加不同的字符以表示不同特殊意义。

A small block of metal bearing a raised character on one end; produces a ''.

一头儿雕有字符的小金属块；当它往纸上压时会印出字母来。

Of metal bearing a raised character on one end; produces a printed character when inked and pressed on paper.

一头儿雕有字符的小金属块；当它往纸上压时会印出字母来。

A small block of metal bearing a raised character on one end; produces a printed character when inked and pressed on paper.

一头儿雕有字符的小金属块；当它往纸上压时会印出字母来。

For example, ESC N alerts the system that the following characters are in the Cyrillic equivalent of ASCII.

例如， 换码字元 N 提醒这些下面的字符在美国资讯交换标准码的西瑞尔字母等价物中的系统。

The first character must be a letter, underscore, or dollar sign.

它的第一个字符必须是字母、下划线或美元记号。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。