浮点数的表示精度要比定点数高的多。
HTTP内容协商使用短浮点数来表示各种可协商参数的相对重要性（或权重）。
HTTP content negotiation uses short floating point numbers to indicate the relative importance, or weight, of various negotiable parameters.
IEEE 754用科学记数法以底数为2的小数来表示浮点数。
IEEE 754 represents floating point Numbers as base 2 decimal Numbers in scientific notation.
在大部分的编程语言中，包含了小数点的数字称之为浮点数，可以用它来表示数学中的实数。
In most programming languages, Numbers that include a decimal fraction are called floating-point Numbers, which are used to approximate real Numbers in mathematics.
它只是返回一个表示温度的浮点数。
All it does is return a floating point number representing the temperature.
其中一个构造函数以双精度浮点数作为输入，另一个以整数和换算因子作为输入，还有一个以小数的String表示作为输入。
One takes a double-precision floating point as input, another takes an integer and a scale factor, and another takes a String representation of a decimal number.
浮点数和双精度数字的二进制表示。
综合起来，浮点数是这样表示的：sign*mantissa*2exponent 。
Putting these together, a float is interpreted as sign * mantissa * 2exponent.
您可以将输出显示为八进制、十六进制、十进制、浮点数、包含反斜杠转义符的ASCII，或者指定的字符(nl表示换行、ht表示水平制表符，等等)。
You can display output as octal, hex, decimal, floating point, ASCII with backslash escapes, or named characters (nl for newline, ht for horizontal TAB, etc.).
因为在内部，计算机使用一种非精确的(二进制浮点数)形式表示诸如0.1,0.2,0.3之类的小数。
Because internally, computers use a format (binary floating-point) that cannot accurately represent a number like 0.1, 0.2 or 0.3 at all.
将指定之数字的字串表示，转换为相等的双精确度浮点数。
Converts the specified string representation of a number to an equivalent double-precision floating-point number.
当浮点数从一种表示形式转换为另一种表示形式时，该数字的最低有效位数可能稍有变化。
When a floating point number is converted from one representation to another representation, the least significant digits of that number may vary slightly.
在此实例的结尾追加指定的单精度浮点数的字符串表示形式。
Appends the string representation of a specified subarray of Unicode characters to the end of this instance.
一个表示触摸板触摸位置的转动位置的浮点数，0是顶部，180是底部，其他角度随之对应。
A float that shows the rotational position the touchpad is being touched at, 0 being top, 180 being bottom and all other angles accordingly.
0到1的浮点数，表示按钮按下的所施加的压力值。
A float between 0f and 1f of the amount of. pressure being applied to the button pressed.
将数字的字串表示(使用指定样式和的特定文化特性格式)转换为其对等的单精确度浮点数。
Converts the string representation of a number in a specified style and culture-specific format to its single-precision floating-point number equivalent.
将指定的区域性特定格式的数字的字符串表示形式转换为它的等效双精度浮点数。
Converts the string representation of a number in a specified culture-specific format to its double-precision floating-point number equivalent.
使用指定样式和文化特性特定格式，将数字的字串表示转换为其对等的双精度浮点数。
Converts the string representation of a number in a specified style and culture-specific format to its double-precision floating-point number equivalent.
使用指定的区域性特定格式设置信息，将数字的指定字符串表示形式转换为等效的双精度浮点数。
Converts the specified string representation of a number to an equivalent double-precision floating-point number, using the specified culture-specific formatting information.
使用指定的区域性特定格式设置信息，将数字的指定字符串表示形式转换为等效的单精度浮点数。
Converts the specified string representation of a number to an equivalent single-precision floating-point number, using the specified culture-specific formatting information.
将数字的字串表示(使用指定样式)转换为其对等的单精确度浮点数。
Converts the string representation of a number in a specified style to its single-precision floating-point number equivalent.
一般而言，十进位浮点数值并没有精确的二进位表示式。
Floating-point decimal values generally do not have an exact binary representation.
将数字的字串表示转换为其对等的双精度浮点数。
Converts the string representation of a number to its double-precision floating-point number equivalent.
将数字的字符串表示形式转换为它的等效单精度浮点数字。
Converts the string representation of a number to its single-precision floating-point number equivalent.
将具有指定区域性特定格式的数字的字符串表示形式转换为它的等效单精度浮点数字。
Converts the string representation of a number in a specified culture-specific format to its single-precision floating-point number equivalent.
在此实例的结尾追加指定的双精度浮点数的字符串表示形式。
Appends the string representation of a specified 64-bit unsigned integer to the end of this instance.
将指定的单精确度浮点数值的文字表示写入标准输出资料流。
Writes the text representation of the specified 32-bit unsigned integer value to the standard output stream.
将指定的单精确度浮点数值的文字表示写入标准输出资料流。
Writes the text representation of the specified 32-bit unsigned integer value to the standard output stream.
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