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.
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。
When a floating point number is converted from one representation to another representation, the least significant digits of that number may vary slightly.
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。
Converts the specified string representation of a number to an equivalent double-precision floating-point number.
将指定之数字的字串表示，转换为相等的双精确度浮点数。
应用推荐