对数表

利用神经网络对数表进行曲线拟合

Simulating Datasheet With Curve by Using the Neural Network

纳皮尔简化了计算工作，但手边必须有对数表手册才能进行计算。

Napier had simplified computational tasks , but ready access to books of log tables was crucial to the procedure .

系统主要由基本字典管理模块、客车编组表生成模块、客车对数表生成模块及指标计算与信息查询模块组成。

This system is mainly comprised of a basic dictionary management module , a passenger train marshalling table generating module , carriage pairs table generating module and index calculation / query module .

故事是这样的，这两位科学家都注意到，对数表书籍的前几页更脏，这表明，人们倾向于查询首位数为1的数字的对数，例如11、134、或17650。

The story is that each man had noticed that the early pages of books of logarithm tables were dirtier , suggesting that people tended to look up the log of numbers whose first digit was one - such as 11 , 134 or 17650 .

方法远视力检测使用E字标准对数视力表进行常规检查。

Methods Far sight was examined through E Standard Logarithm Eyesight Table .

入选患者均行标准对数视力表检查，验光确定屈光度及最佳矫正视力（BCVA），并用IOL-Master测量眼轴长度。

Distant Vision was examined through E Standard Logarithm Eyesight Table . Integrated Optometry to determine the diopter and Best Corrected Visual Acuity ( BCVA ) . Axial length ( AL ) measurements obtained through IOL-Master .

低视力对数视力表的研制

The design of log acuity chart for a low vision

论对数视力表与五分记录法

Discussion on logarithmic visual acuity chart and five grade notation

《标准对数视力表》中的5分记录

The 5-grade notation of the standard logarithmic visual acuity chart

扫描翻转图像视觉诱发电位视力与对数视力表视力的比较

Sweep pattern visual evoked response acuity vs logarithmic visual acuity

低视力对数视力表在严重弱视儿童视力评价中的应用价值

Low vision acuity chart for evaluating severely amblyopic children

目的：研制一种适合我国眼科临床使用的低视力对数视力表。

Objective : To provide a visual acuity chart for chinese low vision patients .

应用国际标准视力表检查，视力检查所用的箱灯是带照明的标准对数视力表灯箱。

International standard eye chart check eyesight check-box standard logarithmic Visual acuity chart light box lamp is illuminated .

申请其他准驾车型的，两眼裸视力或者矫正视力达到对数视力表4.9以上；

Other applications for driving , and two naked eye , or corrected visual acuity of4.9 or more on the vision chart ;

方法：应用标准对数视力表对31名视力正常大学新生进行远、近视力及相对调节力正、负贮备的测定。

Methods : Distant and near vision , positive and negative reserve of relative accommodative capabilities were measured on thirty one freshmen with normal vision by standard vision chart .

阐明5分记录的优点，国外对数视力表的发展及其与《标准对数视力表》的比较。

To clarify the advantages of 5-grade notation as well as to describe the development of logarithmic visual acuity charts abroad and compare these charts to the chart used in China .

[方法]采用符合国家标准的对数视力表灯箱按照《全国学生体质健康调查研究实施方案》和《检测细则》细则的要求，检测学生裸眼视力。

[ Methods ] Students ' eyesight were examined by logarithmic visual acuity chart light box according to the ' National Student Constitution Survey Implementation Program ' and its corresponding rules .

视力检查方法采用《标准对数视力表》，在良好的自然光线下进行，正常视力标准规定能分辨1'视角的视力为正常视力标准，记为1.0视力。

Their sight was examined with the standard logarithmic visual acuity chart under good natural light ; The standard for normal sight was able to differentiate the 1 ′ visual angle and marked as 1.0 sight ;

轻度近视及早期近视眼远视力平均提高2～3行（对数视力表）（P<0.05）；但对眼球屈光度的影响无显著性（P>0.05）。

VA by logarithmic chart increased 2 ~ 3 lines on an average ( P < 0.05 ) in light myopia and earlier stage of myopia with no apparent difference in diopter ( P > 0.05 ) .

[方法]采用标准对数视力表，对2003～2005年19946名大中专新生进行裸眼视力检查。

[ Methods ] Standard logarithmic visual acuity chart were applied on 19 946 new students of colleges and technical secondary schools from 2003 to 2005 . [ Results ] Of the 19 946 new students , the rate of good eyesight was 59.45 % .

泵型对数模拟率表

Logarithmic Analogue Ratemeter with Non - linear Pumps

本文从实用角度出发，给出泵叠加型对数模拟率表的设计方法和不加任何限制的统计涨落计算。

From the point of application view , the design method of logarithmic analogue retemeter with non-linear pumps and statistical fluctuation calculation without any assumption are given in this paper .