查询词典 sampling

Provide a comprehensive inspection and sampling inspection methods, such as flexible, easy to grasp the macro level Cong quality data and detailed analysis of each type of error

提供全面检查和抽检等灵活检查方式，便于丛宏观上把握数据的质量情况，并能详细分析每一种错误类型

This experiment was conducted to study the reasons of bovine low performance from one aspect of major matter and energy metabolism in high altitude regions. The index of nitrogen equilibrium, energy material, macroelement, microelement, ADE, AME, absorbance of phosphorus, MEm, average daily gain etc. were analyzed by field test and sampling.

为从主要物质和能量代谢方面揭示高海拔引起牛生产性能低下的问题，利用实地测试取样，对西藏农区14头牛的N平衡、能量物质、主要常量元素、微量元素、FHP、ADE、AME、P沉积、MEm、日增重等代谢指标进行了分析。

Base on the principle, the main circuit and control circuit of 2-phase hybrid stepping motor systems are designed. The system can realize many functions such as fix-frequency pulse width modulation, current sampling, power magnifying, ring distribution, producing control signal, and so on.

完成了对二相混合式步进电动机微步驱动系统主电路及控制电路的具体设计，实现了恒频斩波、信号检测、环形分配、微步信号的产生等功能，并搭制了实验电路进行实验验证。

The invention discloses a measuring method for firing conclusion and gas flow rate in the process of liquid, gas fuel firing, which comprises the following steps: positing three points on fuel transmission pipe, air pipe and gas pipe, setting regular measuring device or sampling device, measuring the flue's element and flow rate of point 1, air element of point 2, and gas element of point 3, inputting the data of three points into computing unit, computing air flow rate Mair, gas flow rate Mgas and firing conclusionηB by the element of air, flue, and gas and flue flow rate Mburn.

本发明公开了一种液体、气体燃料燃烧过程中燃烧完全度和燃气流量的确定方法，步骤为：在燃料输送管道、空气管道和烟气管道上分别设置三测点，并安装常规的测量装置或取样装置；分别测量测点1的燃料成分和流量；测点2的空气成分；测点3的燃气成分；将三测点的测量数据输入计算单元；根据空气、燃料和燃气的成分以及燃料流量M burn ，计算空气流量M air 、燃气流量M gas 和燃烧完全度η B 。

Relatively high criteria for quality assurance of malodor sampling were also required.

对恶臭采样的质量保证也提出了较高的要求。

Sampling technology of malodor was completely described based on the existing national standard method.

针对现有国标方法中的恶臭采样技术进行了更为全面的叙述。

Methods A resident （≥ 5 years） group of 30 214 people aged ≥35 years in seven small towns of Liaoning province was investigated by duster multistage and mandom sampling.

目的了解北方农村地区成年人群冠心病的流行病学特征和相关危险因素，为北方农村地区冠心病的防治和干预接供科学依据。

The research resloves the dual-port RAM's port competition problem and realizes the resource sharing between the master and the slave processor. Although in the higher sampling frequency, the acquired data can definitely be written into the flash in time.

解决了双口RAM的端口争用问题并讨论了极限采样频率，实现了主、从单片机数据共享，缓存采集信号，即使在较高采样频率下，仍能确保及时、可靠地存储实时信号。

The sampling period is from 2000 to 2002. Matrix analysis and hypothesis tests are utilized.

样本期间为2000年至2002年，研究方法采用矩阵分析以及假说检定。

For results based on the total sample of national adults, one can say with 95% confidence that the maximum margin of sampling error is ±2 percentage points.

对于结果的基础上，总样本国家的成年人，一可以肯定地说， 95 ％的信心，最高幅度，抽样误差是± 2个百分点。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。