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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？
- She trades at Mr. Martin’s store exclusively. 她专在马丁先生的店铺买东西。
- I can't stand Martin; he's always on the make. 我无法忍受马丁; 他总是动手动脚，寻求性的冒险。
- Martin took a beating from almost everyone. 马丁几乎受到所有人的批评。
- How do you feel about work with Martin? 与Martin合作感觉如何？
- Martin decided that he had no adequate proof. 马丁断定他没有充足的证据。
- Martin guided him to the reception-room. 马丁将他领到接待室。
- Martin Gatt is a gifted bassoonist. 马丁盖特是个有才华的巴人松管演奏者。
- He occupied the other section of Martin's house. 他占用了马丁房子的另一部分。
- Denise and Martin have recently become parents. 丹尼斯和马丁最近当爸爸妈妈了。
- I believe that Martin had two motives. 我相信马丁有着双重动机。
- 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。
- Sweat poured from Martin's face. 马丁脸上汗如雨下。
- Martin had a printed form thrust at him by an unpleasant official. 一位讨厌的官员将一份印刷表格猛地伸到马丁面前。
- 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。
