对数说明一个底数的几次幂等于一个给定的值。
A logarithm tells you what power a base number must be raised to in order to produce a given value.
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.
您可以显式设置使用的底数(例如，setlogscale2，或如果仅为x主轴和y主轴设置底数，则可以使用set logscalexy 2)。
You can explicitly set the base to use (for example, set logscale 2, or set logscale xy 2 if setting it only for the major x-y axes).
入户调查的目的是摸清人口底数，纠正户口登记项目中的差错，为第六次全国人口普查登记提供准确的基础信息。
The survey aims to count the total number of Beijing residents and to correct false household registration information and provide accurate information for the sixth national census.
传回具有指定底数的指定数字之对数。
Returns the logarithm of a specified number in a specified base.
采集93例帕金森病患者和72名正常对照的足底数据。
METHODS: Foot data of 93 PD patients and 72 normal controls were collected.
晶体管本底数据的汇聚特性可以用来研究晶体管的电学性质。
The convergent characteristic of base data can be used to study the electrical character of transistor.
分析地铁列车交路设置的影响因素，给出任一交路下车底数下界的数学计算公式。
This paper analyzes the influencing factors for metro train routing and presents the calculation formula on minimum quantity of required train sets for any routing.
发动引擎，并快速的怠速运转，然后左右转动方向盘到底数次，将系统内的空气排出。
Start the engine and run it fast idle, then turn the steering from lock-to-lock several times to bleed air from the system.
应用眼底数码照相技术，分析新发病高血压病患者不同高血压程度的眼底视网膜病变及动脉硬化改变。
To analyze the change of hypertensive retinopathy and arteriosclerosis in patients with neopathy hypertension using digital fundus camera.
精密电阻：其阻值以5条色码表示，前3码表示底数，第4码为乘数，第5码为此电阻之最大误差值。
Precise resistor: Using 5 color bars to represent resistor value, the first 3 bars refer to base, the 4th bar is times, the 5th bar is error value.
该文提出的新思路对海底数字地图的模拟具有重要的参考价值，为海底地形匹配定位技术的研究提供了必要的前提。
The new idea of this article is significantly valuable to the simulation of sea-bottom digital cartographic, and it is the precondition of researching of sea-bottom terrain matching technology.
本研究针对于现今研究的空缺，探讨工作记忆系统中的语音环路和视空间模板在同底数幂比较大小运算中的参与作用。
This study was to explore the role of the phonological loop, the visuospatial sketch pad in the comparison of the same base powers.
本研究针对于现今研究的空缺，探讨工作记忆系统中的语音环路和视空间模板在同底数幂比较大小运算中的参与作用。
This study was to explore the role of the phonological loop, the visuospatial sketch pad in the comparison of the same base powers.
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