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- Firstly I design a equipment to acquire the iffy signal which is made up of by everlasting magnetic iron,hall element and amplifier.Then I have study the signal"s filter and sample. 首先研究了由永磁铁、霍尔元件和放大电路组成的探头，并在探头提取出裂纹信号的基础上，研究了信号的滤波和采样；
- Q16：What is the shelf life of 3M's filtering facepiece respirators? 问16：3M随弃式呼吸防护口罩的存放期是多长时间？
- Mr. Oliver worked for 30 years in the movies. 奥利佛在电影界工作三十年。
- Oliver squeaked through the French examination. 奥利佛勉强通过了法语考试。
- We sat down, obedient to the wishes of Oliver. 我们顺从欧利佛的意愿，坐了下来。
- Rosamond Oliver kept her word in coming to visit me. 罗赛蒙德·奥立弗履行她的诺言来拜访我。
- Oliver filched a packet of cigarettes from a well-dressed passenger. 奥立佛从一名衣冠楚楚的乘客身上偷得一包香烟。
- Oliver is really great in the part of hamlet, is not he? 奥利佛演汉姆雷特的角色真是好极了，不是吗？
- They spend the winter(s) in a warmer climate. 他们在气候较暖的地方过冬。
- Most plural nouns in English end in "s". 英语的复数名词多以“s”结尾。
- The sweater had shrunk after repeated washing(s). 这件套头毛衣洗过多次已缩水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的爱好。
- Answer the following question(s). 回答下列问题。
- Most plural nouns in English end in s'. 英语的复数名词多以s结尾。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- Kalman' s filtering estimation method 卡尔曼滤波法
- Here are the designs. Which one(s) do you prefer? 这就是那些图样.;你喜欢哪一个[些]?
- Which journal(s) do you subscribe to? 你订阅哪一种杂志?
- The novel had an enormous vogue in the 1930's. 这本小说在三十年代曾广为流传。
- Oliver looked at Sikes in mute and timid wonder. 奥立弗向赛克斯默默地看了胆怯而困惑的一眼。
