查询词典 sample method

Describes general methods of point and interval parameter estimation and the small and large sample properties of estimators: method of moments, maximum likelihood, unbiased estimation, Rao-Blackwell and Lehmann-Scheffe theorems, information inequality, asymptotic relative efficiency of estimators.

点估计和区间估计的一般方法，估计量的小样本和大样本性质：矩法，极大似然估计，无偏估计，Rao-Blackwell 和 Lehmann-Scheffe 理论，信息不等式，渐进相对有效估计量。

As for voice control method, the first problem is how to establish voice processing system and how to sample audio frequency data.

机器人控制系统中对受控对象的控制常用的方式有语音控制、视觉控制等。

The method was without complicated operation to the sample pretreatment, its automaticity was good and sensitivity was higher.

本方法无需用手工进行繁杂的样品前处理，简便易行，灵敏度高，已成功用于火电厂水汽样品中痕量铜的测定。

The special features of this method were the simplicity in sample preparation and the avoidance of pollution.

此方法的特点是试样制备较简单，且避免了污染。

A method to estimate the minimal sample size required for marker-assisted backcross breeding when both foreground selection and background selection are conducted is proposed.

该文提出了一种估算在标记辅助回交育种中同时进行前景选择和背景选择所需群体大小的方法。

A method to estimate the minimal sample size required for marker-assisted backcross breeding when both forground selection and background selection and background selection are conducted is proposed.

该文提出了一种估算在标记辅助回交育种中同时进行前景选择和背景选择所需群体大小的方法。

By relatively test the law confirming the best method to draw Saikosaponin sample of root of Chinese thorowax is: 5% methyl alcohol of ammonia water backset current 4, water saturation straight cube alcohol extract 20ml / time.

用比较实验法确定了提取柴胡皂苷样品的最佳方法为：5%氨水甲醇回流4小时，水饱和正丁醇萃取20ml/次。

Inthe NIT-negative LEU-positive sample,6G + C have an unanimous results through both methods.Conclusion The method of antimicrobial susceptibility analytic directly after the selection of the NIT、LEU bacteriuria testing is simple and rapid,the primary results may be provided the basis of clinic treatment in24hours and to avoid the misuse of the antibiotic.

急性泌尿道感染经NIT、LEU菌尿筛定后用KH-21细菌药敏分析试剂板直接进行药敏分析，方法简单、快速，能在24h内为临床治疗提供选药依据，避免抗生素滥用，有实用价值。

To further verification of the validity of this method, a barite sample has been determined and the recovery is 82%~98%.

用於分析重晶石样品并作加入回收实验，进一步验证了该方法的可行性，回收率为82%~98%。

When the results show platelet aggregating mega platelet platelet barograph shifting right or the tail of curve lifting,in order to avoid false decreasing of platelet count caused by sample laid in short time and anticoagulant mixed incompletely, platelet count shooed be tested with hand-method.If necessary platelet shape should be observed under the oil immersion lens.

末梢血计数血小板要在60秒钟以后测方可以获得较准确的参考数据，同时要结合血小板直方图，当提示有血小板聚集，大血小板，直方图右移尾部上翘者，要进行油镜下观察血小板形态，同时进行手工法计数血小板。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。