sample variance是什么意思

网络释义

用法例句

According to the geochemical sampling requirement,full-hydraulic air-driven hammer drilling technology was adopted.

针对干旱、半干旱地区缺水的特点,结合化探取样的要求,采用全液压车载钻机空气潜孔锤钻进工艺。

Application of Full-hydraulic Truck Driller with Automobile Chassis in Drought

全液压车载钻机在缺水地区化探取样中的应用研究

Probe into the Diversification of Learning Styles with Correspondence to the New Development Orientation;

适应新的发展取向的学习类型多样化探讨

A DISCUSSION ON THE "SAMPLING GRADE",A KEY TECHNOLOGY IN 1∶200000 REGIONAL GEOCHEMICAL EXPLORATION

1∶20万区域化探方法核心技术“取样粒级”的讨论

Discussion on Sampling and Machining Methods of Physical and Chemical Properties for Linepipe Steel Pipe

管线钢管理化性能试样截取与加工方法探讨

aspirating smoke detection system

空气取样感烟探测系统

The Effect of Piper Hancei Extract on Experimental Atherosclerosis;

山蒟提取物对实验性动脉粥样硬化的影响及机理初探

Studies on Microfluidic Sample Introduction Systems with Sampling Probes

基于取样探针的微流控试样引入系统的研究

In order to definitude the influence caused by the different sampling in voice assessment.

探讨全程取样与分段取样对嗓音分析结果的影响。

auger method (for sampling pulp)

（纸浆取样）钴取法

Subsampling of uranium hexafluoride in the liquid phase??

液相六氟化铀的二次取样

Pig iron-Sampling for chemical analysis

GB/T719-1984生铁化学分析用试样制取方法

Sampling methods for chemical analysis of crude gold

GB/T17373-1998合质金化学分析取样方法

Guidelines for plutonium dioxide (PuO2) sampling in nuclear reprocessing plant??

核后处理厂二氧化钚取样指南

take swabs from children suspected of having diphtheria

取怀疑白喉患儿拭样供化验.

Sampling method for light oils of coking products

GB/T1999-1980焦化产品轻油类取样方法

Sampling method for solid substances of coking products

GB/T2000-1980焦化产品固体类取样方法

Viscous oil products of coal carbonization--Sampling

GB/T2289-1994焦化粘油类产品取样方法

Diversification:Approaches to Higher Education Admission System Reform;

多样化:我国高考招生制度的改革取向