查询词典 variance

Then a posteriori robust Kalman filter is proposed, which can guarantee a variance bound of the filtering error.

该算法为一离散验后滤波算法，它能保证区间系统的滤波误差有界。

Objective To study the role of carboxylesterase in the development of organophosphate resistance and the activity variance of carboxylesterase in different strains of German cockroach.

目的 研究羧酸酯酶在不同品系德国小蠊中的活性以及其在有机磷杀虫剂抗性形成中的作用。

The T test and variance analysis of the results show that throughout the stage of primary school, whether Mongolian or Han, whether in Cities or in the courntry, peer contacts of opposite sex are much less frequent than those of the same se...

结果表明，整个小学阶段，蒙汉、城乡儿童，异性同伴相互交往的程度远远低于同性伙伴相互交往的程度，异性同学之间缺乏足够的交往；异性同学相互交往的程度，存在着明显的年级差异，但不存在民族差异和地区差异。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。