查询词典 mean value

The method to control the sample's precision and accurateness in water quality analysis through mean value-different value control figure is introduced.

介绍了如何采用均值—差值控制图来控制水质分析中样品的精密度和准确度的方法。

Take arithmetic mean value of individual value of 5 test pieces as the tensile shear strength of membrane.

卷材的拉伸剪切强度以 5 个试件的算术平均值表示。

The students from countryside own more mean value than from cities on"learning stress","castigation","loss"and sum value. 2、College students" coping styles for stress include"problem solving","help seeking","retreat","fantasy","rationalization"and"self-blame, whose frequency is from high to low.

大学生应对方式各因子得分从高到低依次为：解决问题、求助、退避、幻想、合理化、自责，从总体上来说应对方式还是比较成熟的，在具体各因子上存在一定的性别、年级、专业差异。

The rock types mainly include basalt, andesite, dacite and little rhyolites, lava breccia etc. The rocks have the following chemical composition: SiO2, 48.49%-74.52%, with a mean value of 60.87%, Al2O3 majority between 14.5%-18.86%, K2O mean contents 1.99%.

主要岩石类型为玄武岩、安山岩、英安岩及少量流纹岩、火山角砾岩等，SiO2=48.49%~74.52%，平均60.87%，Al2O3多数在14.5~18.86之间，K2O含量平均为1.99，显示钙碱性系列特征。

A fault feature extraction approach based on extremum field mean mode decomposition and singular value entropy of auto-regressive model is proposed.

提出了一种基于EMMD（extremum field mean mode decomposition）和AR（auto-regressive）奇异值熵的故障特征提取方法。

The main parameters of Frequencies Distribution are the mean value of frequencies M and the mean squire deviation D.

频率分布的主要参数是 M 频率平均值和 D 均方差。

The results show that the Mean Square Error of frequency estimation using median filter is more perfect than using mean value filter.

结果表明：在非线性频率估计中运用中值滤波算法后，其估计的均方误差较之运用均值滤波算法有很大的改善。

At the same time, Monte Carlo simulation is used to validate the idea. The results show that the Mean Square Error of frequency estimation using a median filter is better than that by using a mean value filter.

运用Monte Carlo仿真手段对其进行了验证，结果表明，在非线性频率估计中运用中值滤波算法后，其估计的均方误差较之运用均值滤波算法有很大的改善。

The method was introduced firstly with which LQG control and open loop system mean value and mean square error of a ship lateral motion were calculated.

首先介绍船舶横向运动多变量LQG控制与开环系统均值、均方差计算方法，提出应用两种系统均方盖相对值这一统计指标评价系统减摇控制的鲁棒性。

Combining vector median filter and mean value filter, vector median-mean filter, which can filter Gaussian noise and impulse noise and preserve fine details, is adopted.

为了提高图像的质量，采用了既能保持图像细节又能滤除脉冲和高斯噪声的中值滤波算法和均值滤波算法相结合的矢量中值均值滤波器。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。