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- The survey was conducted by telephone in February and March among a national sample of 2,020 adults. 此項於今年二月和三月開展的電話調查共有2020名成年人參加。
- Sample systems can be tailored to suit customer requirements. 試樣系統可根據用戶需要調整。
- The sample system for the standard instrument incorporates XA inch tube fittings for sample inlet and outlet connections at the rear panel. 標準儀器的進樣系統採用XA英寸的管夾作為後儀錶盤處樣品入口和出口的連接。
- The test results of a sample system have demonstrated the practicableness and effectiveness of the suggested GA-based multistage transmi... 算例系統的計算結果證明了這種方法的可行性及有效性。
- This article presents a composite video signal sampling system based on CPLD. 介紹了一個以CPLD為控制單元的黑白全電視信號採集系統。
- At sulfur dioxide adopt sample system, use ethylene glycol replace air treating of sulfruic acid do drier and do away with grain and oil dirty inside of air, method more economy,simple and safety. 在二氧化硫採樣系統中,用乙二醇代替曝氣處理的濃硫酸做乾燥劑和去除空氣中的塵粒和油污,方法更經濟、簡便、安全。
- In the seismic data sample system,the Sampler/Holder is a fundmental electronic device.During actual application of S/H ,the requirements on both velocity and precision are strictly of consideration. 地震數據採集系統中,採樣/保持器(S/H)是一個基本電路器件。
- The sampling system is controlled by an adjustable program timer or by a manual pushbutton. 取樣系統用可調程序定時器或手動操作的按紐控制。
- In this paper a new design for orthogonal three channel ECG and PCG signal sampling system was introdued. 本文介紹了一種正交三導聯心電和心音信號採集系統。
- The key to the design of feeble signal sampling system lies in the designing of ultra low noise preamplifier. 設計超低雜訊前置放大器是設計微弱信號採集儀器時不可迴避的技術問題。
- In multirate sampled systems, sampling periods are not uniform. 摘要在多率採樣系統中，採樣間隔不均勻。
- The importance of temperature measuring and sampling system in steel production is expatiated. 闡述了測溫取樣系統在鋼廠生產應用的重要性。
- The Second China National Sample Survey on Disability 第二次殘疾人抽樣調查
- In this paper, a randomization sampling system with AC variable frequency technology, based on IP was introduced. 介紹一種以工控機為核心,利用交流變頻調速技術實現的隨機取樣系統。
- The second national sample survey of disabled persons 第二次全國殘疾人抽樣調查
- Abstract：Multi-channel synchronal sampling system plays an important role in array signal processing system. 摘要：多通道同步採集系統是陣列信號處理系統中的重要環節。
- Our newspaper is a national newspaper. 我們的報紙是全國性的報紙。
- Aiming at particulate matters sampling and analysis, a full dilute tunnel sampling system for vehicle emission was developed. 以機動車排放顆粒物採集和分析為主要目的,開發了全流稀釋風道機動車排放顆粒物採集系統。
- The national debts of that country are rolling up. 那個國家的國債在不斷地增加。
- Many of them wore colourful national costumes. 他們很多人都穿著色彩鮮艷的民族服裝。
