和指数

By utilizing an exponential transformation and piecewise linearization technique,transforming the exponential terms into the sum of absolute terms,and linearizing each absolute term,the original problem can be transformed into a linear programming problem which can be easily solved.

使用指数变换及利用分段线性化技术转变每个指数项为一些带绝对值项的和，再将绝对值项线性化，最终将原问题转化为一个线性规划问题。

From 1999 to 2008 the Fortune portfolio has provided a 4.1% annual return above that of the broader CRSP index (which includes all shares traded on Nasdaq, the New York Stock Exchange and American Stock Exchange).

从1999到2008财富杂志的组合提供了4.1%的年收益，大于广泛的CRSP指数带来的回报（这个指数包括了纳斯达克，纽约证券交易所和美国证券交易所的所有股票）。

The anisotropism degree can be expressed by an anisotropism index which is the ratio between the point load strength indexes in the strongest and weakest directions.

岩石的各向异性程度可以用各向异性指数等于最强和最弱方向的点荷载强度指数之比，比值越大，岩石的各向异性愈明显。

In this paper, the long-term dependence of stock market in China is investigated by using the modified rescaled range analysis and the rescaled variance analysis.

本文通过应用修正的R/S分析方法和V/S分析方法对上证综合指数和深证成分指数的日收益进行实证分析。

This paper conducts the computation classification for the spring flood and drought situation in He Zhou by using the spring precipitation data in four weather stations of He Zhou during 1965-2004,and the z index,and the index of regional flood and drought .

利用贺州市四站1965~2004年春季降水资料，运用z指数和区域旱涝指数对贺州地区春季旱涝情况进行计算分类，并对重旱涝典型年份500hPa环流特征量和4月平均环流场展开分析，发现：贺州地区春季极易发生局部旱涝灾情，90年代以来重旱涝年份出现频率明显增大；在重旱年副高强度强，西伸脊点明显偏西，南支槽偏西偏弱，极涡中心偏东，亚洲中高纬高度偏低，在重涝年则相反。

Considering the skin effect and skin depth, a thin wall model and a thick wall model are derived creatively with different frequencies of discharge currents, which are used to study the relation between the spark location and the potential difference for a cuboid electrode.

本文从放电电流为任意函数入手，阐述了电极电位差法的检测原理，首次利用傅立叶级数推导了电位差与放电时间的关系，证明了放电电流为阶跃函数时，电位差与放电时间成指数关系；当放电电流中含有高频振荡时，电位差与放电时间的关系为指数曲线上叠加相移后的高频振荡；根据放电电流频率的不同，考虑到趋肤效应和趋肤深度，首创了薄壁模型和厚壁模型，研究了长方体电极下表面二维放电点位置与电位差的关系。

Methods: 62 AS patients were randomly divided into the treatment group, with routine therapies plus sacroiliac joint injected Zhengqingfengtongning Injection, and the control group with routine medicine only. Some indicators were compared before and alter treatment including visual analog scale, bath ankylosing spondylitis functional index, Bath ankylosing spondylitis functional index, chest expansion, schober's test, erythrocyte sedimentation rate, C reactive protein and the general efficacy.

将患者62例随机分为治疗组32例与对照组30例，治疗组采用常规药物治疗加骶髂关节注射正清风痛宁注射液，对照组仅采用常规药物治疗；比较两组治疗前和治疗后1个月的目测类比评分、Bath强直性脊柱炎功能指数、Bath强直性脊柱炎疾病活动指数、扩胸度、Schober试验、血沉、C反应蛋白和两组总体疗效。

Methods: Totally 45 obese patients were assigned into sibutramine-treated group (n=25) and placebo-treated group(n=20), and 16 normal weight subjects were taken as control group. Before and after 24-week treatment, body mass, waist circumferences, serum levels of interleukin-6, glucose and insulin were determined, and the body mass index and HOMA-IR were calculated.

45例单纯性肥胖患者分别接受西布曲明（25例）和安慰剂（20例）治疗24周，治疗前后测量患者的体质量、腰围、空腹血糖、胰岛素及IL-6的浓度，计算体质量指数和胰岛素抵抗指数，并与正常对照组（16例）进行比较。

Metabolic syndrome in normal-weight Americans:new definition of the metabolically obese,normal-weight individual［J］.

我国成人体重指数和腰围对相关疾病危险因素异常的预测价值：适宜体重指数和腰围切点的研究［J］。

Based on the theoretical work between strengthening effect and grain diameter index, the ratio of geometric area is analyzed.

作者在前人得出的加固效果与粒径指数关系的理论工作基础上，分析了根据粒径指数和一定的加固后影响范围的几何面积的比值，则可以确定承载力改善值，以及每米单位长度 L 的沉管干振碎石桩所需的填充料的体积关系，同时，如果我们已知土的粒径指数值和给出加固效果值，则可以得到每米碎石桩的体积与加固后影响范围的几何面积的比值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。