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- composition sampling technique 复合抽样方法
- The transect sampling technique is most often used in plant ecology to study changes in the composition of vegetation.See also quadrat. 样条取样技术在植物生态学或植被组成的变化研究反面应用广泛。
- The REORG uses a sampling technique to build the dictionary. REORG使用一种抽样技术来建立字典。
- Spatial Paterns of Yellow Rust of Turf Grass and Its Sampling Technique. 草坪草条锈病空间格局及抽样技术。
- Sampling techniques and practices II. 抽样技术及其应用2。
- Suspension Sampling technique had been used to FAAS for determining trace copper in tea. 将悬浮液进样技术应用于火焰原子吸收光谱法，成功地测定了茶叶中的微量铜。
- Based on the frequency sampling technique, we have proposed a new method for designing linear-phase FIR filters with steerable stopband dips. 本文在频率采样法的基础上提出了具有可控阻带凹陷特性的线性相位FIR滤波器的设计。
- The quadrat sampling technique is mostly used in plant ecology to study the distribution and abundance of species in plant communities. 其内部的生物体被标记，样方抽样技术多用于植物生态学领域，用来研究某一植物群落中物种的分布及其含量的多少。
- Methods:A questionnaire survey and clinic examination were conducted among married childbearing age women by stratified cluster sampling technique. 方法:采用分层整群抽样的方法对研究对象进行问卷调查和妇科检查。
- CLAP preprocesses some of the data extracted from the database by random sampling technique, which decreases the running time greatly. 该算法采用随机抽样技术，从数据库中抽取一部分数据进行聚类的预处理过程，这样大大降低了运行时间。
- Importance sampling technique is an effective variance reduction technique in Monte Carlo simulation method for pricing options. 在期权定价的蒙特卡罗模拟中,重要性抽样是一种有效的方差减小技术。
- Digital filtering technique based on least square method, multichannel sampling technique and frequency variation sampling technique were used experimentally. 实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。
- Sterile equipment and aseptic sampling techniques shall be used when necessary. 必要时须使用无菌设备和灭菌取样措施。
- Suspension sampling technique was applied to flame atomic absorption spectrometry and was successfully used to determine calcium, magnesium in arrowroot flour. 将悬浮液进样技术应用于火焰原子吸收光谱法,测定了藕粉中的钙、镁含量。
- Analysis and dissertate different terrain using circs of tug drive sampling technique in Niaoshan coal mine Number one artesian well,and bring technology and economy effect. 分析论述了绳索取芯钻进工艺在鸟山煤矿1号井筒检查孔中不同岩层中的使用情况和由此产生的技术经济效果。
- Besides, this thesis proposes a new current sampling technique to enhance the system flexibility and the MPPT accuracy of maximum power point tracker (MPPT). 此外，本论文并提出一新式电流取样技术，进而增加太阳能转换系统的弹性度，且兼具提升最大功率追踪准确度效果。
- Based on the Thematic Progression Patterns given by Dane s and Dubois, this paper studied 45 composition samples from CET-4 paper taken in June 2003 in regard to the application of TP Patterns. 基于Danes和Dubois等人提出的主位推进模式理论,本文从2003年6月进行的大学英语四级考试的作文试卷中随机抽取出45份,对这些作文中主位推进模式的应用进行分析。
- Microdialysis is a continuous biochemical sampling technique in vivo .Now it has become an important means in the fields of neuroscientific basis and clinical studies. 微透析是一种连续的活体内生化采样技术,已成为神经科学基础和临床研究领域的重要手段。
- Composite samples are used mainly in evaluating the efficiency of waste-water treatment facilities. 混合样主要用来评价废水处理装置的效率。
- He sweated out his composition in several hours. 他苦干了几个小时才写出了作文。
