a d

I got a D + .

我得了个D+。

She went from a D in her mocks to a B in the real thing .

她模拟考试得了D，到了真正考试的时候却拿了个B。

Trombones sharply pronounce a d , followed by tuba and oboe in a sudden diminuendo .

长号尖锐地吹出一个d音，之后是大号和双簧管的突然的渐弱演奏。

The method h a d high sensitivity .

本法灵敏度高。

Different speed commands can be fed into a D / A conversion circuit by using 8098 microcontroller to control 8 small DC motors .

采用8098单片机可以将不同速度指令送入一块D/A转换电路去控制8台小型直流电机。

The g-factor of a d ~ 5 ion in cubic symmetry

立方对称下d~5离子的g因子

The statical error of a D / A converter ( linear error and differential error ) is mainly determined by the precision of the resistor network of D / A converter .

12位以下D/A变换的静态误差（包括线性误差和微分线性误差等）主要取决于其电阻网络的精度。

By the linear relationship between newly introduced variable A D and B D , wellbore storage coefficient ( C ) has been reached , meanwhile , wellbore 's damage coefficient ( S ) has been given .

由新引进的变量AD和BD之间的直线关系，求出了井筒存储系数C值。同时，给出了井筒污染系数S值。

UV spectra were used to illustrate their photochemical properties under the irradiation of high pressure mercury lamp . It was found that A D undergo two kinds of reactions , the trans cis isomerization and ( 2 + 2 ) intramolecular photodimerization .

结果发现：上述化合物在高压汞灯照射下可同时发生反顺异构化和[2+2]分子内光二聚两种反应，前者迅速可逆，后者缓慢且不可逆。

Can you go down to a low d ?

你能降到低音d吗？

The Working Principle and Analysis of a Practical D / A

一种自制实用型D/A的工作原理与特性分析

Electric power system The design of A / D is about hardware and software

电力检测系统A/D板的硬件和软件设计

A / D Conversion Technology and Development Trend

A/D转换技术及其发展趋势

The Principle and Application of Smooth Nonlinear A / D Converter

连续式非线性A/D变换器的原理及其应用

Novel Method For Designing A / D Converter With SET

一种基于SET的A/D转换电路设计新方法

Application of APPLE ⅱ A / D Data Acquisition System in Dynamic Measurement and Test

APPLEⅡA/D数据采集系统在动态测试中的应用

Interference analysis and design of high-precision A / D sampling circuit

高精度A/D采样电路的干扰分析与电路设计

One Kind of CMOS Voltage Reference Using in High Precision A / D

用在高精度A／D转换器中的CMOS电压参考源

Design and implementation of using finite states machine control high-speed A / D device

利用有限状态机控制高速A/D设备的设计与实现

Testing the Dynamic Performance of High-speed A / D Converter

高速A/D变换动态特性测试系统

Method to Distinguish the Stronger Scattering Area by Using A 3 D Distribution Analysis

一种确定目标强散射区的方法

Chaotic code A / D converter : theory and practice

混沌编码A/D转换器的原理与设计

Extend RAM System of A / D Automatic Acquisition Based on PC Control

微机控制的A/D自动写入扩展RAM系统

Design of Comprehensive Parameter Detecting Device Based on PTS A / D Way

基于PTSA/D的综合参数检测装置的设计

Low-cost test approach to the static parameters of A / D converter

一种A/D转换器静态参数的低成本测试方法

The Common - Used integral A / D Converting Technology in Intelligent Instruments

智能仪表常用积分型A/D转换技术

To Improve simultaneously the Resolution and Accuracy of A / D Conversion

同步提高A／D转换的分辨率和精度

Design A / D and D / A Converter with SCM

用单片机设计A/D、D/A转换器

Design of Some Hardware of Triple Channel High Speed A / D Converter Data Acquisition System

三路高速A/D数据采集系统硬件部分设计

The set adapts the high speed 12 bits A / D .

采用高速12位A／D转换器提高了模拟数字量的转换速度。