特征指标

In normal years, the onset time of summer monsoon over the SCS is approximately in the fourth pentad of May.

通过对各种指标确定夏季风爆发时间一致年份的大气环流特征分析表明，延伸到南海北岸附近地区的海上锋区对流加热和孟加拉湾北部陆地上的对流加热、沿东亚近海向西太平洋推进的冷空气是控制南海夏季风爆发的主要因素。

This paper Puts forward the four main parameters of the Permeability classification for coal mass es, that is,the fractal dimension of the cracks in coal mass es,the number of the cracks in one meter's characteristic scale, the conducting water coefficient of coal samples and its Porousness; and founds the mathematical pattern of the complex judgement by fuzzy sets.

提出了进行煤体渗流特性分类的四个主要指标，即煤体裂隙分布的分形维数D、特征尺度L＝1m的裂隙条数N、煤样导水系数T和煤的孔隙率η等；建立了煤体渗流特性模糊数学综合评价的数学模型；根据煤层注水工程应用的实际情况。

It is found that the information entropy and exponent of power spectrum are two powerful indexes to distinguish the atmospheric turbulence in boundary layer and the explanation for difference ...

结果表明，信息熵和功率谱指数是区别稳定层结和不稳定层结大气边界层湍流特征的指标，对造成两者之间的差别做出了对应的解释。

In this paper, four diversity indexes were considered as quantitative indicators of understory for urban forest, while the features of environment variables were recorded at the corresponding quadrat scale.

以4类多样性指数作为衡量城市森林林下层植物多样性差异的定量指标，并同时记录对应样方尺度的环境变量特征。

To understand metabolic adaptations,the basal metabolic rate of four small birds in China were investigated.Metabolic rate,body temperature and thermal conductance were determined in yellow-browed bunting Emberiza chrysophrys at a temperature range of 5-35° C,chestnut-flanked white-eye Zosterops erythropleura and hwamei Garrulax canorus at 10-30° C,and red-billed leiothrix Leiothrix lutea at 10-35° C.Oxygen consumption was measured by using a closed circuit respirometer.

采用封闭式流体压力呼吸计，分别在5-35° C、10-30° C和10-35° C的环境温度范围内测定了黄眉NFDA2、红胁绣眼鸟、画眉和红嘴相思鸟的耗氧量、热传导、体温等指标，探讨了其代谢产热特征。

In the consideration of dual economy, this paper applies one price law theory to general consumer price index and general retail price index, and separately inspects the city department and the countryside department's marketization degree.

在考虑二元经济特征的情况下，应用一价定律理论，以居民消费价格指数和商品销售价格指数作为衡量指标，分别考察了城市部门和农村部门的市场化程度。

After binarization and the adoption of multiple indexes evaluation function for color reverse, characters are segmented on the basis of connected component analysis.

摘 要：通过对连续视频流分析的方法判断并捕获车牌图像帧；基于数学形态学方法和边缘特征分析来进行车牌定位，进行二值化、引入多指标联合评价函数判断反色等处理；最后基于连通体分析的方法切分字符。

The performance of the final model was evaluated according to the Root Mean Square Error of Prediction and the Correlation coefficient in prediction and calibration sets.

研究了利用联合区间偏最小二乘法和遗传偏最小二乘法等筛选特征谱区的方法，通过交互验证法确定偏最小二乘模型的主成分因子数和筛选区间，并以预测均方根误差和相关系数R作为模型的评价指标。

Five kinds of bacteria were isolated from disease Meretrix meretrix and culture water (two isolated from the M. meretrix, three from the culture water) in Lvsi harbor, Jiangsu province. The results of infection showed that strain WG1702 can cause disease with the mortality rate 100 percent and the same symptoms as original. It was cued that strain WG1702 was the pathogenic bacteria and caused the death in large scare, a preliminary research was done on the bacteria including morphological, physiological, biochemical characteristics, phylogenetic position and pathogenic. Strain WG1702 was a straight-rod gram negative bacterium, the physiological and biochemical indicators were lysine decarboxylase, ornithine decarboxylase, reduction of NO3- to NO2-, mannitose, oxidase and methylred reaction positive, arginine decarboxylase, arginine dihydrolase, salicin and voges-proskauer negative.

本文从江苏吕泗文蛤养殖区发病文蛤和养殖水体中分离到5株优势菌(病蛤中分离到3株优势菌，养殖水体中分离到2株优势菌)，人工感染实验结果显示，菌株WG1702能引起供试文蛤发病，死亡率为100%，且发病症状与原发病症状相同，提示该菌是引起文蛤大面积死亡的主要致病菌，对其形态、生理生化特征、分类地位及致病性进行了初步研究，菌株WG1702为革兰氏阴性菌，直杆状，生理生化指标为：赖氨酸脱羧酶、鸟氨酸脱羧酶、硝酸盐还原、甘露糖、氧化酶、甲基红阳性，精氨酸脱羧酶、精氨酸双水解酶、水杨素、V.P阴性。

Draw to the features of object of the maize seedling, it has established the system of new index .

根据苗特征参数建立了描述玉米生长状态的新指标体系。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐