significant digit
释义
有效数（字）；
英英释义
significant digit
n.any digit of a number that is known with certainty; any digit of a number beginning with the leftmost non-zero digit and ending with the rightmost non-zero digit (or a zero considered to be the exact value)
同义词：significant figure
权威例句
Arithmetic Precisionsignificant digit
Significant digit
significant digit
A Statistical Derivation of the Significant-Digit Law
The Significant-Digit Phenomenon
Algorithm 708: Significant digit computation of the incomplete beta function ratios
An Application of Fourier Series to the Most Significant Digit Problem
First significant digit patterns from mixtures of uniform distributions
Least-significant-digit steganography in low bitrate speech
1. Usually, you order them from right to left, with the right-most digit being the least significant digit.
通常，从右到左排列，最右边的数字是最低有效位。
youdao
2. To compensate for this, the least-significant digit is removed from the end of a time difference resulting in a useful, but less specific data point.
为了弥补这个缺陷，从时间差异的末尾中删除最不重要的数位，得到一个有用但特定性较低的数据点。
youdao
3. Note that this specifier never displays the '0' character if it is not a significant digit, even if '0' is the only digit in the string.
请注意，如果“0”不是有效数字，此说明符永不显示“0”字符，即使“0”是字符串中唯一的数字。
youdao
4. New issues including Linkedin ( LNKD) and Fusion-Io ( FIO) have seen impressive initial returns but all saw significant double-digit corrections in recent weeks.
其他新上市股票包括LinkedIn（LNKD）和Fusion – io（FIO）等在发行之初都得到了令人印象深刻的回报，但最近几周都出现了两位数的大幅回落。
youdao
5. All dimensions specified are approximations only. Unless stated otherwise, the least significant digit is uncertain by plus or minus one unit.
所有特定尺寸都只是近似值。除非特殊说明，否则最不重要的数字的不确定性体现在加上或者减去一个单位。
youdao
6. The sample circuit samples an output of the decay circuit at a sample time after the decay circuit receives the pulse for the most significant digit.
采样电路在衰减电路接收到用于最高有效数字的脉冲之后的采样时间对衰减电路的输出进行采样。
youdao
7. Instrument accuracy is usually specified as a percent of reading, plus a percentage of range (or a number of counts of the least significant digit).
仪器的准确度通常规定为读数的百分数，加上量程的百分数(或者最低有效位的字数)。
youdao
8. Various opinions of definition before and after 1999, number of digits of significant figures and digit number s of uncertain figure s viz.
总结了1999年以前和以后有效数字的定义、有效数字位数、有效数中包含的不确定数字(即文献上称：“存(可)疑数字、或估计数字”)的位数等不同的观点。
youdao
9. The function that allows the elimination in the result of the calculation of all digits beyond the least significant digit.
允许消去答数中最低有效数字位以下的全部数字位的功能。
youdao
10. The pulse generator serially outputs pulses representing digits of a digital word least significant digit first.
脉冲发生器串行地输出表示数字字的数字的脉冲，首先是最低有效数字。
youdao
11. Various opinions of definition before and after 1999, number of digits of significant figures and digit number s of uncertain figure s viz.
简述有效数字的概念、意义及其运算规则，列举实例说明有效数字在制浆造纸物理性能检测中的意义和作用。
youdao
12. The digits are stored such that the most significant digit is at the head of the list.
但是要注意每个位子值与进位值的操作要写一行上，或者用临时变量储存。
youdao
13. The first two digits are significant, and the third digit is number of zeros.
前两位数字为有效数字，后一位数字表示零的个数。
youdao
14. The second memory block is used for storing other non highest significant digit of the pixel data.
该第二内存块，用以储存该像素数据的其它非最高有效位。
youdao
15. If the first non-significant digit is 5, and all subsequent digits are 0, the last significant digit is rounded to the nearest even digit. See the example that follows.
如果第一个要舍入的数是5，后面其他的位都是0，那么这个数就会被舍入到最近的偶数。
youdao
16. If the first non-significant digit is 5, and all subsequent digits are 0, the last significant digit is rounded to the nearest even digit. See the example that follows.
如果第一个要舍入的数是5，后面其他的位都是0，那么这个数就会被舍入到最近的偶数。
youdao
significant digit
