该操作等待一个字符串，被解释为股票的报价机符号，然后返回当前该股票报价，一个浮点值。
This operation expects a string, to be interpreted as a ticker symbol for a stock, and returns a current quote for that stock, a float value.
通常支持的类型有整数、Boolean、ASCII字符串、双精度带符号浮点数、日期时间、集合、列表、属性。
In general supported types are Integer, Boolean, ASCII string, double-precision signed floating point number, date-time, set, list, properties.
EXI引入了数据类型，比如二进制、布尔值、小数、浮点数、整数、无符号整数，以及日期-时间。
EXI introduces data types such as Binary, Boolean, Decimal, Float, Integer, Unsigned Integer, and Date-Time.
longdoubleIEEE双字节扩展浮点数15位指数，64位带符号小数。
Long double IEEE double extended floating point exponent of 15 bits and signed fraction of 64 bits.
将指定的单精度浮点数的值转换为等效的8位带符号整数。
Converts the value of the specified Unicode character to the equivalent 8-bit signed integer.
预处理数字符号未曾种类或值；种类或值将在向整数文字量或浮点文字量获胜转换（作为第7阶段的一局部，2.1）尔后获得。
Preprocessing number does not have a type or a value; it acquires both after a successful conversion (as part of translation phase 7, 2.1) to an integral literal token or a floating literal token.
作为例子，我们将要写一个计算由浮点数、圆括号及一些常用的加、减等算术符号组成的算术表达式的程序。
As an example we will write a small program to read and evaluate arithmetic expressions consisting of floating point Numbers, parentheses and the usual operators for addition, subtraction, and so on.
例如我们要写一个计算由浮点数、圆括号及一些常用的加、减等算术符号组成的算术表达式的程序。
As an example we will write a small program to read and evaluate arithmetic expressions consisting of floating point Numbers, parentheses and the usual operators for addition, subtraction, and so on.
将指定的双精度浮点数的值转换为等效的64位带符号整数。
Converts the value of the specified 64-bit unsigned integer to an equivalent 64-bit signed integer.
将指定的单精度浮点数的值转换为等效的16位带符号整数。
Converts the value of the specified Unicode character to the equivalent 16-bit signed integer.
将指定的双精度浮点数的值转换为等效的32位无符号整数。
Converts the value of the specified 64-bit unsigned integer to an equivalent 32-bit unsigned integer.
将指定的单精度浮点数的值转换为等效的16位无符号整数。
Converts the value of the specified Unicode character to the equivalent 16-bit unsigned integer.
将指定的单精度浮点数的值转换为等效的64位无符号整数。
Converts the value of the specified Unicode character to the equivalent 64-bit unsigned integer.
将指定的双精度浮点数的值转换为等效的32位带符号整数。
Converts the value of the specified 64-bit unsigned integer to an equivalent 32-bit signed integer.
浮点文字量由整数部分，小数点，小数部分，e或e，可选的有符号整数指数，以及可选的类型后缀组成。
A floating literal consists of an integer part, a decimal point, a fraction part, ane or e, an optionally signed integer exponent, and an optional type suffix.
将指定的单精度浮点数的值转换为等效的8位无符号整数。
Converts the value of the specified Unicode character to the equivalent 8-bit unsigned integer.
将指定的单精度浮点数的值转换为等效的8位无符号整数。
Converts the value of the specified Unicode character to the equivalent 8-bit unsigned integer.
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