查询词典 variance ratio

By comparing the error correction capability and stability under different signal-to-noise ratio conditions, and packet loss rate of the block code and the convolutional code in the same signal-to-noise ratio condition, the results show that correcting ability of this algorithm is better than that of other method under the low delay condition, and it can adapt the different network delay condition.

通过对比在不同的信噪比条件下卷积码的纠错能力和稳定性，以及在相同信噪比的情况下对分组码和卷积码的丢包率，说明本文算法的纠错能力在低解码延迟条件下好于现有方法，能适应不同的网络延迟条件。

The slip ratio fuzzy logic controller can assure wheels work with optimal wheel slip ratio and the braking torque distribution fuzzy logic controller can dynamic adjust the braking torque based on the braking system requirement.

针对不同的路面附着情况，建立了不同的模糊控制规则库，并对CBCS控制策略和FCS策略的仿真结果进行了对比分析。

Railway bridge ; braking force ; theoretical analysis ; dynamic calculation ; real-bridge test ; maximum braking force ratio ; effective braking force ratio

铁路桥梁；列车制动力；理论分析；动力计算；实桥试验；最大制动力率；有效制动力率

Aiming at this problem, firstly, calculation formulae of utilization adhesion coefficient after installment of retarder were detailedly deduced. Then braking force distribution ratio , braking intensity and vehicle full-load parameters were taken as variables and inequalities which are about of retarder braking force , braking force distribution ratio , braking intensity and vehicle full-load parameters were established based on the ECE Law. The range of corresponding to any , as well as the most optimal matching between them, were obtained by solving these inequalities.

为此，论文在推导了安装缓速器后前、后轴利用附着系数、的计算公式基础上，基于ECE法规要求，以制动力分配比、制动强度及车辆满载参数为变量，建立了缓速器制动力关于车辆制动力分配比、制动强度和满载参数之间的多元不等式组，通过求解多元不等式组获得缓速器制动力与制动力分配比之间的取值关系，并从中得到二者之间的最优匹配。

The results indicated that infection ratio was decreased and there were significant disease controlling effect on seed rot, bud rot and root rot caused by pathogenic fungi after the seeds soaked by La. Thus, the germinating ratio of herbal plant isatis indigotica Fort.

结果表明稀土镧浸种能明显地减少病原菌的侵染，对由其所造成的种腐、芽腐及根腐等有显著的防治效果，提高了板蓝根和高羊茅种子的出苗率。

From the point of view of structure,bamboo cell wall ratio,amount of bundle per unit area,fraction of bundle sheath,fraction of vessel increase from the root to the top of the bamboo,while fractionof parenchyma.Single bundle sheath area decreases with the increase of height.Fiber length,fiber width and vessel length increase from the root to the top andget theirs maximum value at the length of 17th node to 23rd node and thendecrease.Fiber length and width ratio slightly decreases while vessel widthincreases with the increase of height.

从构造角度来说，竹材胞壁率、单位面积维管束个数、纤维束比量、输导组织比量从基部到到梢部随着高度增加而增加，而薄壁组织比量、单个维管束纤维束面积随着高度增加而减小；纤维长度、纤维宽度、导管长度从基部到梢部随着高度的增加而增加，在第17竹节到第23竹节达到最大值，而后下降，纤维长宽比随着高度的增加而缓慢下降，导管宽度随着高度增加而一直增加。

The physical and mathematical models of the system energy change ratio and energy-destruction ratio are set up.

运用热力学的外界分析法，对在部分离峰蓄冷方式下直接蒸发冰蓄冷空调系统进行了分析，建立了系统值变化率、损变化率的物理数学模型，揭示了系统运行方式的热力学特征。

At the beginning of cold-storage, sugar-acid ratio descended a little, but in a later period 0.3kGy irradiation made sugar-acid ratio decreased slowly.

在贮藏初期糖酸比下降，而在后期0.3kGy剂量的辐照使糖酸比下降平缓。

The number of fruits had the highest directly positive relationship with seed yield,followed by leaf length,collar diameter,length of bearing branch,hundred-seed weight,the number of branches,angle of bearing branches,the height of bearing branches and plant height;five of 14 seed yield components exhibited directly negative relationships with seed yield,including leaf width,ratio of leaf length to width,the number of bearing branches,bottom diameter of bearing branches and ratio of bearing branches to branches.

2果实数对种子产量的直接正效应最大，其后依次是叶长、地径、结果枝长、百粒重、分枝数、结果枝角度、结果枝高度和株高；14个产量因子中有5个对产量有直接的负效应，包括叶宽、叶长宽比、结果枝数、结果枝底径和结果枝比。

In this paper, mainly through nutrition automatic and automatic color matching ratio as well as to undertake two studies to analyze the ratio of the various rules of nutrition for different nutritional needs of different customers, the establishment of a variety of nutrition programs automatically matched, to provide customers with the more rational, more scientific nutritional intake.

本文主要通过营养自动配比以及色彩自动配比两个方面着手进行研究，分析营养配比的各种规则，针对不同顾客的不同营养需求，建立各种不同的营养自动配比方案，为顾客提供更合理，更科学的营养摄入。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。