查询词典 one-step method

The bioaerosols are at the highest levels during the lunch time period. With either the impactor method or the sedimentation method, one of the major contributing factors is the crowdedness due to many students all at lunch at the same time.

主成分分析结果发现，无论是冲击式采样法或自然沉降法，用餐状态为影响学生餐厅空气中微生物含量的主要因子。

It exerts important significance on sci-tech history of mining and smelting and historical culture research, since this mine is one of a few rare mines in China that are qualified to restore the technique scenes of "decrepitating method" mining and "cupellation method" smelting.

公园拥有诸多采矿遗址，其中黄岩坑古矿硐规模最大，保存最完整，古代文献记载最丰富详实，是国内稀有的有条件恢复"烧爆法"采矿、"灰吹法"冶炼工艺场景的矿山，对矿冶科技史和历史文化研究具有重要意义。

This research has used research techniques and so on literature analytic method, interview law, questionnaire survey procedure, cut-and-try method, the data analysis and the experimental result indicated that, the experience type study theory took one kind emphasized specially experience the new teaching theory, suits specially in music this kind of art class teaching activity.

本研究采用了文献分析法、访谈法、问卷调查法、实验法等研究方法，数据分析与实验结果表明，体验式学习理论作为一种特别强调体验活动的新的教学理论，特别适合于艺术类教学活动。

Besides protection maloperation model, this paper thought over other dependent outage models such as stuck breaker, component-group outage, station-originated outage and common cause outage; the article chose initial system state of cascading failure by using of function group decomposition technique and event tree analysis, provided simplification principle and processing method of continual fault process analysis, then proposed one new probabilistic risk assessment method for cascading failure.

该文在分析中考虑了保护误动、断路器拒动、元件组停运、电站相关停运、共因停运等相关停运模型，利用功能组分解技术和事件树分析法，选择连锁故障的初始系统状态，提出简化相继故障过程分析的依据和处理方法，进而提出一种新的连锁故障概率风险评价方法。

Using finite difference time domain method, the electromagnetic field distribution of THz wave is simulated in a THz 2D PC splitter and by plane wave expansion method the dispersion relation and defect modes are achieved in a THz rotated PC waveguide.5. A woodpile three-dimensional (3D) PC with face-centered-tetragonal symmetry is one of the most popular 3D PCs because of its favorable band gap characteristics. Based on the woodpile fct lattice structure, we propose a novel woodpile THz lattice structure with comparatively decreased symmetry, better band gap properties and easy fabrication by varying some structure parameters.

计算结果为利用非线性光学差频方法产生THz辐射源的实验研究提供了深入和全面的理论基础；四、利用平面波展开法，通过改变二维THz光子晶体的结构参数，对二维THz光子晶体完全带隙进行了优化，分析出两种适合工作在THz波段的二维光子晶体结构；采用时域有限差分法和平面波展开法，计算出THz波在二维光子晶体"T"型分束波导，45度旋转波导中传输的电磁场分布以及缺陷模；五、Woodpile面心立方四角结构是三维光子晶体中被研究最广泛的结构之一。

The correlation method is the one that computes the frequency response of the components of DEH by utilizing the input and output data, and then calculates the transfer function of the DEH system by using Levy method.

相关辨识法是利用输入与输出数据的自相关和互相关函数求取系统频率特性，进而拟合出其传递函数的方法。

Methods Analyzed the survival rate,the level of sensory recovery,the length of operative incision and the surgical time of two different methods for the treatment of the fingers tip defect and bones of fingers niditas,one method is fascial flap shift and planting back in natural position or dermatoplasty,the other method is regional flap shift.

运用筋膜瓣转移+原位回植术及局部皮瓣转移修复术治疗指端软组织缺损，对两种手术方法的手术时间、手术切口长度及指端成活率、感觉恢复程度的对比分析，了解两种手术方式的差异。

Two ways are used to design the network,the one is the direct energy descent method,and the other is the gradient descent method .

有两种方法可以用来设计网络，一是能量下降法，另一个是梯度下降法。

The main content of the study includes: the policy variables are classified into two types, which are continuous policy variable and discrete policy variable, and the two variable is analyzed respectively; as to the continuous policy variable, use reasonable weighting to synthesize comprehensive policy indicator to reflect the comprehensiveness of each main policy indicator; undertake regression analysis for the comprehensive policy indicator, economic and stock market variable and get the effect of all kinds of comprehensive policy indictor variables on the economy and stock market; undertake regression analysis for data on the economic indicator and the data on the stock market and get the relationship between the economy and the stock market; use event research method to analyze its effect on the stock market and get some corresponding conclusions; structure the differential or difference equation groups on the interactive relationship among the variable economy, stock market and policy and do the difference operation and constitute simultaneous equation with the original main variables one after another; use quantitative regression method and solve the coefficient of the simultaneous equation to predict the operating tendency.

本研究主要内容包括：将政策变量划分为连续性政策变量和离散政策变量两个类型，并分别进行分析；对于连续性政策变量，采取合理的权重来合成政策综合指标，反映各主要政策指标的综合力度大小；将各政策综合指标与经济、股市变量进行回归分析，获得各类政策综合指标变量对经济、股市影响程度的大小；将经济指标数据与股市数据进行回归分析，获得经济与股市之间关系的大小；采取事件研究方法来分析其对股市的影响程度；构建关于经济、股市与政策各主要变量之间互动关系的微分或差分方程组，进行差分运算，并以此与原来各主要变量组成联立方程；运用计量回归方法，求出联立方程系数用于预测。

The finite difference method is one important numerical method for fluid dynamics.

其中有限差分方法是一种重要的数值计算方法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。