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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. 首先研究了由永磁鐵、霍爾元件和放大電路組成的探頭，並在探頭提取出裂紋信號的基礎上，研究了信號的濾波和採樣；
- Q16：What is the shelf life of 3M's filtering facepiece respirators? 問16：3M隨棄式呼吸防護口罩的存放期是多長時間？
- He joined the two pieces of wood together with glue. 他用膠水將這兩塊木料黏在一起。
- The wood is held in position by a clamp. 木頭用鉗夾固定住了。
- He shored up the wall with a thick balk of wood. 他用一根粗大的木頭把牆撐住。
- Rubber has more resilience than wood. 橡膠有比木頭更大的彈性。
- The axe sliced through the wood. 斧頭一下子把木頭劈開了。
- The bonfire was piled with wood. 篝火用木柴堆得高高的。
- That lathe is used for shaping pieces of wood. 那個車床是用來加工木材的。
- You need a strong adhesive to bond wood to metal. 需要強力膠才能把木料粘在金屬上。
- Don't let the fire go out; there's plenty of wood. 不要讓火滅了，有的是木柴。
- Keep that piece of wood; it may come in useful. 留著那塊木頭，它可能會有用的。
- The hut was made out of pieces of wood. 這小屋是用木板建造的。
- The wood rudder of the ship was broken. 船的木頭舵壞了。
- They spend the winter(s) in a warmer climate. 他們在氣候較暖的地方過冬。
- Our wood supply proved insufficient. 我們的木材供應證明是不夠的。
- Most plural nouns in English end in "s". 英語的複數名詞多以「s」結尾。
- The two pieces of wood were wired together. 這兩塊木頭已用金屬絲捆在一起了。
- The sweater had shrunk after repeated washing(s). 這件套頭毛衣洗過多次已縮水了。
- You should put some more wood in the fire. 你應該再往火里添些木料。
