sampling unit

Contrast group: Other 218 undergraduates were adopted in cluster sampling, taking class as unit.

对照组: 除外观察组学生,随机在4届学生中以班为单位整群抽样218名学生.

The hardware sampling unit of the monitor system is constituted by the data gathering module, including digital input module and analog input module, which are connected by the RS-485 main line form.

系统的硬件采样部分由数据采集模块（包括模拟量输入模块和数字量输入模块）构成，各模块间以RS-485总线形式进行连接。

Is it fetch every analysis, sampling well test materials is it log well curve to combine to utilize secondly, confirm and flow the quantity of division and sign of the unit.

其次利用取心井的各项分析化验资料结合测井曲线，确定流动单元的划分数量和标志。

The modulation method for multi modular phase shifted SVM technique is to stagger the sampling time of each converter unit, and to make the sampling time of the adjacent converter unit deviate by 2 π/ ( KN).

组合变流器相移SVM技术的调制方法，就是将各变流器单元的采样时间错开，使得各变流器单元使用相同的SVM算法，相邻变流器单元间的采样时间相差2π/（KN）的角度。

High proportional sampling audit to budget unit price;

对预算单价的套用进行高比例抽样审计；

The optimum sampling unit, sampling method and sampling number of arthropod diversity in leafy vegetable field were also determined.

据此，确立了菜心田节肢动物类群多样性的最佳抽样单位、抽样方式和抽样量。

MaxEnt should be used with caution because of some restrictions, including sampling area at the anchor scale, sample plot number, historical disturbance factors, evenness of species distribution and heterogeneity of sample unit.

同时，在使用最大熵方法的时候必须注意一些影响其估计精度的限制性条件，包括锚定格局上的取样面积、调查的样方数目、历史干扰因素、物种分布的均匀程度及取样的异质性。

The green sand ingredient and compactability fast testing unit, made up of an automatic sampling machine and a testing slave, is developed to prepare a standard sand specimen and test conductive parameters automatically.

研制了由自动制样机构和测试下位机构成的湿型砂组分及紧实率快速测试单元，可完成标准砂样的制作和紧实率、导电参数的自动测量。

The hardware design includes the selection of ultrasonic transducer and sampling unit of environmental temperature, ultrasonic emitting and driving unit, receiving and back wave testing unit, main controlling unit and communication unit.

系统的硬件设计包括超声波传感器的选择以及环境温度采集单元、超声波发射及驱动单元、超声波接收及回波检测单元、主要控制单元和通信单元；

Design of the Dynamic Parameters` Sampling Unit of Certain Missile Mockup

某导弹模型动态参数的采集单元设计

Testing software of a sampling unit in the distributed phasor monitoring system

分布式相量监测系统采集单元测试软件的开发