sampling taking

liquefied anhydrous ammonia for industrial use; sampling; taking a laboratory sample

工业用液化无水氨.取样.实验室取样

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.

In the simulation, constellation, Bit-Error-Rate ( BER) and Signal-to-Noise Ratio ( SNR) performance degradation are analyzed taking into account the effect of sampling frequency offset.

经过仿真，从星座图、误码率（Bit-Error-Rate，BER）及信噪比（Signal-to-Noise Ratio，SNR）损失等角度对采样频率偏差的影响做了揭示和验证。

After taking samples, the on site supervision personnel sent by the customs and the consignee of import goods shall affix their signatures to the sampling record or list of samples for confirmation.

提取货样后，到场监管的海关关员与进口货物的收货人在取样记录和取样清单上签字确认。

Sino-American united survey team for south China tiger conducted a survey in the reserve through October to December, 2001 with the ways and methods popular at home and abroad such as visiting local people, transect sampling, trail monitoring and infrared automatic photo-taking.

中美华南虎联合调查队于2001年10～12月采用访问调查法、样带调查法、痕迹调查法和红外线自动照相技术等目前国际国内通用的方法和技术，对该保护区进行了调查。