简便地

Ultrasonography with color Doppler is a simple, noninvasive and nonradioactive technique which evaluates the degrees of DGR exactly. It may promote a better understanding of the pathophysiology of gastric diseases.

彩色多普勒超声是一种生理状态下无创伤和辐射、操作简便、能较准确评价DGR程度的有价值的方法，有助于更好地理解胃部疾病的病理生理。

A series of conclusion about omnidirectional image are obtained. 5. Based on the correlation coefficient of periodic vein structure, through error correcting, a method to calibrate the camera is obtained.

以基于周期纹理结构的自相关系数的标准件标定法为基础，通过误差修正，得到了一种新的对照相机进行标定的方法，该方法使用简便，标定结果精度较高，能很好地用于生成完整的全方位全景图象。

With chlorobenzene used as the solvent,phenazine as the internal standard,the content of anthracene in crude anthracene is determined by the internal standard method.

结果表明，粗蒽中各组分能很好地分离，并定性出11个组分。该法具有简便、快速、准确、操作简单等特点。所测定的结果有良好的准确度和精密度，样品的回收率为98.43%~100.73%，相对标准偏差为

"Projective geometry has opened up for us with the greatest facility new territories in our science, and has rightly been called a royal road to its own particular field of knowledge.

"，"射影几何以最大的简便为我们打开了我们科学中的新领域，它恰如其分地被称为通往它自己的独特知识领域的最佳道路。

The effective heat-transfer temperature difference of every effect of multi-effect evaporation subsystem and the preheat temperature rise Δt_(p,j of every level of multi-level preheat subsystem of the design model were distributed by equal heating area, equal heat-transfer temperature difference, and free proration methods.

设计型模型对多效蒸发子系统各效有效传热温差Δt_i的分配和多级预热子系统各级预热温升Δt_的分配分别采用等面积法、等温差法、自由配比法等进行分配并采用矩阵法结合迭代法进行设计模拟计算，其中自由配比法巧妙地将具有复杂约束条件的决策变量Δt_i和Δt_转化为取值0～1的中间决策变量τ_i、τ_，为Δt_i和Δt_的自由搜索进而为优化设计提供了一个简便的方法；在常规设计模拟计算的基础上，建立了复杂多效蒸发系统优化设计模型，该模型以系统年总费用最小为优化目标，以生蒸汽温度T_0、冷凝器中二次蒸汽温度T_K、蒸发温差配比系数τ_i和预热温升配比系数τ_为决策变量，采用遗传算法结合矩阵法求解。

The method developed can evaluate the quality of Psoralea corylifolia L. conveniently.

HPLC指纹图谱分析法可简便快速地用于补骨脂药材的质量评价。

This article offers a recursion formula of the total sum through the study of the total sum of the Cnm terms.

通过对这C_n~m项总和的研究，得到了一个总和的递推计算公式，给出了它的简便运算法则，并在研究过程中，意外地发现了两个非常有趣的推论。

It is difficult to get eigen equation of the regular polygon cross section waveguide.

其中平板波导和圆截面波导已经得到了比较充分地研究[1-2]，但对正多边形截面波导的研究，一直没有简便有效的方法。

The way is simple, tangent, and can be easily applied to other integration methods.

该方法简便、直观，并可方便地应用于其它数值积分法。

As yeast, P.pastoris is a single-celled microorganism that is easy to manipulate and culture.

它不仅具有原核生物生长快、表达量高、操作简便的特点，又具备高等真核细胞的翻译后加工和修饰功能，所以此系统得到了广泛地应用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。