查询词典 method study

The studies show that the bi- frequency ultrasound is an effective method for pollutants degradation, but it need to make further study.

实验表明，频率组合对有机污染物的降解是一条有效途径，但需要更进一步的研究。

Abstraction :This paper analyzes the principle of Butterworth digital filter,discuss bilinear transformation method of filter design;record a piece of voice by Microsoft voice recorders, carry on its a time-domain analysis, spectral analysis;then design a specified Butterworth band-stop filter based on the theory of bilinear transform,analyze the filter by the tool named Fvtool;and filter the voice signal acquired by voice recorder.finally compare its characteristics of frequency domain and time domain,study the applications of Butterworth filter in digital signal processing ,in particular in signal denoising.

本文分析了巴特沃思数字滤波器的原理，探讨了双线性变换法设计滤波器的方法；用微软录音机采集一段语音，对其进行了时域分析，频谱分析；然后使用双线性变换法设计了一个的巴特沃思带阻滤波器，并且使用fvtool对设计的滤波器进行分析；然后利用该滤波器对采集的语音信号进行滤波。最后对比滤波前后的语音信号的时域和频域特性，研究了巴特沃思滤波器在信号处理尤其是信号滤波去噪方面的特性和应用。

In the current study, the author provided the results given by the empirical data collected in the year of 2002. The model fit issue of current method to the data having bimodal distribution, such as, English test, was also discussed.

本文以民国九十一年第一次学力测验的实徵资料，来说明如何得到学力测验的量尺分数，此外，也探讨了现行的方法用在具有双峰分配资料上可能的问题。

A new method was proposed for calculating the thermodynamic properties of binary mixtures from a new point of view in this study.

作者从新的角度，对二元混合制冷的物性计算问题提出了新的方法。

This study provides a new method for analysis of genetic structure in biotic survival traits, and has important significance in the field of Biology.

为以后研究生物生存性状遗传结构提供了新的方法依据，同时也具有重要的生物学意义。

It is an application course that is to study the resource status and growth of forage crop, the relation between entironment and cultivation condition, the biology characteristic and the application importance of bird's-foot, gramineous grass, otherfeed species and variety, and fertility technology including soil tilth, cultivation technique, planting method and so on.

本学科内容是研究牧草饲料作物的资源状况及其开发利用途径，生长发育特性及其与环境条件和栽培条件的关系，土壤耕作、栽培措施和牧草特殊种植方法等农艺丰产技术，生产流程中各个环节的经营管理与降低成本和增产增效的关系，豆科牧草、禾本科牧草及其他种类饲料作物种和品种的生物学特性及其应用特性和价值。

In this paper, we study theoretically infinitesimal element method for calculation of stress birefringence in polarization maintaining fibers.

本文研究了计算保偏光纤中应力双折射特性的微元算法，对其计算值进行了理论验证。

In order to provide some theoretical support to the comprehensive processing of bitter almond,this paper conducted a study of the best temperature for the hot-press method and of the designing of technology for an effective steam distillation of essential oil with orthogonal experiments.

为了对苦杏仁综合加工提供理论依据，系统地研究了热榨法压榨苦杏仁油脂的最佳温度，并结合正交试验设计水蒸气蒸馏法提取苦杏仁精油的工艺。

The study was to introduce the developing method of bitter gourd and cucumber mixed vegetable juice.

［目的］介绍苦瓜－黄瓜复合蔬菜汁的研制方法。

While in this study, 2 week old Kunming mouse were killed by cervical dislocation. The long bone was collected on the super clean blench through sterile method, then periosteum and epiphyses were discarded.

另外，试验采用2周龄的昆明小鼠，拉颈处死，在超净工作台内无菌分离长骨，剔除骨周组织和骨骺端。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。