A group of four, i.e., four pulses used to express a decimal digit or a hexadecimal digit.

If you're expecting a number, make sure your data is in number format& typically, that means only digits, and at least one digit ( you can check this using the regular expression^ [ 0-9]+$).

如果您期望输入的是一个数字，就确认数据是数字格式――比如，只是针对阿拉伯数字，并且是至少一位阿拉伯数字（您可以使用与正则表达式^[0-9]+$检查它）。

Results The manganese-exposed workers changed significantly comparing with the control in the indexes of mood, digit symbol, simple time testing and pursuit aiming ( P < 0.05).

结果暴露组工人的行为如情绪、符号译码、视简单反应时、目标追踪得分，与对照组相比已有明显改变（P<005）。

It Control the Pressure Maintaining and the Time-Delay in the Low Pressure Die Casting to Substituting a Digit Thermometer for a Time Relay

用数字温度表控制低压铸造中的保压延时

After the totals were revealed one digit at a time by each singer's friends and parents, Zhao, 17, emerged victorious in a shower of confetti and sparklers.

当两人各自的朋友和父母打出投票结果的数字时，17岁的赵静怡在铺天的彩纸、亮片里露出了胜利的笑容。

Several key techniques including real time noise reduction, design of algorithms and sign digit, time allocation for all working parts, and clock synchronizing with a background of high noise are investigated.

研究了实时去噪的几项关键技术、算法和符号位的设计，各部分工作时间分配以及大背景噪声下时钟同步方法。

so that in effect the accessibility time was directly proportional to the amount of material stored, being essentially the digit time multiplied by the number of digits stored.

读取时间直接与存储量成正比，基本上等于读取一项的时间乘以存储的项数。

A set of consecutive digit time slots in which the position of each digit time slot can be identified by reference to a frame alignment signal.

一组连续的数字时间片段，每一数字时间片段在组内的位置可参考帧同步信号来标识。

The error in experimental determination of RTD derived from tracer pulse injection, digit time and response measurement, and flow model parameter estimation are discussed.

本文分析了用脉冲法注入示踪剂时示踪剂的分布、时间与应答信号的测量，以及模型参数的回归等方面的种种误差。

A Two-locus Chloroplast ( cp) DNA Barcode for Identification of Different Species in Eucalyptus This check digit calculation works similar to bar coding.

两个叶绿体基因位点的DNA条形码在桉属种间鉴定中的应用这些校验数位计算工作与条形码相似。

Check digit: An extra digit calculated automatically from other digits in a data item and used to check its accuracy.

校验数位：在一数据项目中的额外数位，它自动加上于其他数位中运算，以核对该数据的准确性。

A garment of unusual size. check digit [ International Standard Book Number]

号码超过标准的服装稽核数码〔国际标准书号〕

International Telex Directory Information check digit [ International Standard Book Number]

国际电传号码簿信息稽核数码〔国际标准书号〕

Attached is the sales contract with the UPC numbers. Please be sure and add the check digit for 4404.

附件为带UPC条形码的合同，请确定为4404（款）加上校验码。

The Influence Factor and Related Question about Excavation of Deep Digging by Pre splitting Blasting

预裂爆破开挖深路堑时的影响因素及相关问题

Preliminary Study on the High Yielding Cultural Technique System of Surface Ploughing and Deep Digging for Soybean

大豆浅翻深松高产栽培技术体系的初步研究

Researching Situation and Prospect of Deep Digging Tools for Mechanized Protective Tillage

机械化保护性耕作深松机具的研究现状与展望

Effect of Deep Digging and Fertilizer Application on the Growth of Moso Bamboo

毛竹低产林深翻施肥效应研究

The relationship between the digging force at bucket tooth and boundary conditions art critical values. These are the basis for internal force analysis of exca-v ator.

斗齿处挖掘阻力同各边界条件处于临界值的关系，这些是进行挖掘机内力分析的基础。

Analysis and calculation of instantaneous theoretical digging power at bucket teeth end of hydraulic excavator-loader

普通液压挖掘装载机斗齿尖瞬时理论挖掘功率分析计算

A digging fork is also good to have on hand.

挖掘交岔路口，也是一件好事，对手。