查询词典 sampling methods

If we get symbolic network function, it is easy to seek frequency characteristic than to solve network equation on each sampling point.

如果我们能得到网络的符号网络函数，再利用它来求幅频特性等，将比对每一采样点都解一次网络方程要快得多。

In this thesis, two important problems in the decoder project are discussed: sampling structure and chrominance demodulation.

本文主要研究数字视频解码器中的两个重要问题：采样结构和色度处理。

Results showed that there were large differences of marine microbial total numbers between different sampling sites, and the melt sea ice and salinity in sea water were probably two important factors affecting the marine microbial amounts in Chukchi Sea.

调查结果还显示，不同站位间的海洋微生物总量存在明显差异，海冰的融化和海水中的盐度可能是影响这一海区海洋微生物总量的重要因素。

For the optical system with circular apertures,it is difficult to get the boundary radical slope of phase and the accurate sampling value in the circular domain boundary when the intensity transport equation is used to recover the original phase.

1引言相位恢复是指利用光束传播时所探测到的光强信息反演出相位[1]，为了获得更多的光强信息以把相位恢复到最佳，一次光强测量是不够的，因此这就要求在光学系统的输出或成像光轴方向上进行多次光强测量。

Phosphor change 1.2 helminthic agents steel of aluminous tablet; is bottled carbon dioxide gas. 1.3 circumfluent equipment and tray of testing instrument stainless steel a certain number of;CHXY100/65-Ⅲ movable type are circumfluent detector of chroma of gas of phosphine of;HL-210 of equipment of fuming or steaming-treating diseases with fumes as in moxibustion or with steam generated by boiling medicine herbs. 2 experiments method 2.1 install bug basket and dot of phosphine gas sampling to offer bug trying a storehouse to be mixed in experiment storehouse respectively contrast collect inside the storehouse, choose, every storehouse cent installs 3 bug basket, place respectively in: Pay Yan Xing bing4 ru4 gao1huang1 ③ of number of place of the 4m below cover of food of northeast part of caboodle of grain of; of ② of number of the 2m below cover of food of part of southeast of caboodle of grain of; of ① of number of this Chang?

两仓熏蒸试验时的条件见表1.1.2杀虫药剂56%磷化铝片剂；钢瓶装二氧化碳气体。1.3环流设备和检测仪器不锈钢托盘若干；CHXY100/65-Ⅲ移动式环流熏蒸设备；HL-210磷化氢气体浓度检测仪。2试验方法2.1设置虫笼和磷化氢气体取样点供试仓虫分别在试验仓和对照仓内采集、筛选，每仓分装3个虫笼，分别放置在：粮堆中心粮面下50cm编号①；粮堆东南角粮面下2m编号②；粮堆东北角粮面下4m处编号③。

A total of 15 838 nationally representative subjects aged 35 to 74 were selected with multistage cluster sampling.

共调查了35～74岁的成年人15 838人。

The samples were collected by way of cluster sampling and 798 were available.

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Cluster sampling and questionnaire of traffic safety consciousness of school students in Shanghai were conducted in this study.

采取整群抽样的方法，同时采用统一编制的"上海市中、小学生交通安全知识认知调查表"进行调查。

To interview1483 residents of 15 years and above by the way of stratified and cluster sampling.

通过分层整群抽样访谈调查了黑水县15岁以上居民1483人。

A structured questionnaire was administered to 1091 students who were selected by cluster sampling.

以问卷调查法针对33所原住民国小1250名学童为对象，有效问卷1091份。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样