查询词典 sampling

For the minimum dry density test of sand, test devices are improved to simplify the procedures and the test steps are adjusted to reduce the measurement error. The reverse graduated cylinder method and the tilting graduated cylinder method are recommended as the best methods for minimum dry density test and for leveling sand surface respectively. The optimum sampling quantity and the times of reversing graduated cylinder are studied.

对最小干密度试验，改进了试验装置以简化操作手续；调整了试验步骤以减小测量误差；推荐只使用量筒倒转法测量，用量筒倾斜法整平砂面；研究了最佳取样量和量筒倒转次数。

The sampling of a real object model is a main modeling method in a graphic generation system.

进行实物模型采样是图形生成系统三维数据建模的一种重要手段。

On the basis of the minimum scale soil nutrient distribution generated randomly based on the given values of mean, standard deviation and related distance, or obtained by geostatistics analysis based on soil sampling data, the amount of fertilization, yield and fertilization use efficiency at different scales were calculated by related fertilizer models and yield models supported by geographical information system and computer simulation, then the simulation result was intuitively visualized by curve graphics and RGB primitive colors synthesized image and thematic maps.

系统通过随机数生成法或地统计分析法生成最小尺度条件下的土壤养分空间分布数据，以此为基础，采用GIS、计算机模拟技术模拟不同尺度的养分空间分布，并以肥料效应模型和产量模型计算不同尺度条件下的施肥量、产量和肥料利用效率，最后通过曲线图、三原色合成影像和GIS专题图实现形象直观地表达模拟结果。

A banknote recognition photoelectric system based on grating spectrometer was developed, in which aphotomultiplier tube was used as a detector and a computer sampling interface was designed by VC++ language.

以光栅光谱仪为基础，光电倍增管作为探测器，运用VC++语言设计了计算机采样界面，形成了荧光光谱分析的钞票识别光电系统。

The mature embryo sac fertility, formation and development of embryo sac of 141 accessions of O. rufipogon Griff. collected from the six sampling sites in Gaozhou, Guangdong Province were studied by using the technology of whole-mount stain-clearing confocal laser scanning microscopy.

利用整体染色激光扫描共聚焦显微镜术，对采自广东省高州市6个地点共141个编号的高州普通野生稻的成熟胚囊育性和胚囊形成发育特点等进行研究。

Based on the summarization of the bearing capacity research at home and abroad, the paper discusses the conditions applicable for using bearing capacity formula and groundwork foundation engineering and the sampling of groundsill soil intensity parameter in present world of foundation soil engineering.

本文在综述国内外关于承载力的研究工作后，对目前地基基础工程界在设计中运用地基承载力公式应注意的适用条件及地基土强度参数收值这类关键问题进行了探讨。

The whole system is divided into four parts, they are electric circuit provided by Hall element electric current, Hall voltage measurement circuit with sampling, data processing and the display circuit.

整个系统分成霍尔元件工作电流提供电路、霍尔电压测量用采样电路、数据处理部分、显示电路四大部分组成。

Presents an improved algorithm for reducing spectrum leakage based on equal angle-interval sampling principle for harmonic measure.

提出了一种改进的减少频谱泄漏的等角度间隔采样递推算法用于谐波检测。

It uses Quasi-synchronous sampling method to measure electrical AC parameters and analyze harmonic. It can measure parameters of several AC circuits, display and carry on remote communication.

采用准同步采样算法进行电参量测量及谐波分析，可实现对多个回路进行测量、显示、远传。

FTU generally adopts a high-performance single-chip as CPU, with functions of isolated photoelectric switch of input and exchange of sampling; functions of equirements of Distr time setting , mation for Communica fixed value and calling the distance; functions of fault detection and reporting; functions of anti-environment (heat, cold, lightning, rain, dust, etc.).

mation for Communica FTU 一般采用高性能单片机作为 CPU mation for Communica ，具有带光电隔离的开关量输入和交流采样功能，具有对时功能和定值远方下装和召唤功能；具有故障检测和上报功能；具有抗恶劣环境（高温、严寒、防雷、防雨、防尘等）功能。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。