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- There are three kinds of geophone commonly used: land geophone, marsh geophone and hydrophone. 常用的检波器有陆地检波器、沼泽检波器和水中检波器三种。
- Land geophone and marsh geophone had very similar structure, they both introduced magnetic-electricity sensor, but hydrophone adopted piezoelectricity sensor. 前两种结构相似,均采用磁电传感器,而水中检波器则采用压电式传感器。
- It's dangerous to be alone in the marsh. 一个人在沼泽地里是很危险的。
- They made their way slowly out of the marsh. 他们慢慢地走出了沼泽地。
- Low, flat, swampy land; a bog or marsh. 沼泽低平的沼泽地; 泥塘或湿地
- The amphibious geophone is suited for operating in land, wetland, lake and marsh etc. 适用于陆地，湿地，湖泊，沼泽等地域。
- He picked off a wild duck rising from the marsh. 他射中了一只从沼泽地里飞起的野鸭。
- There are a lot of frogs in the marsh. 沼泽里有许多青蛙。
- I worked my way slowly out of the marsh. 我缓慢而费力地走出了沼泽地。
- The little boy was sucked into the marsh . 那个小男孩被沼泽地吞没了。
- There was the solitary flat marsh on the shore. 岸上是一片荒凉萧索的沼地。
- Two Frogs lived together in a marsh. 两只青蛙一同住在一个沼泽里。
- The little boy was sucked into the marsh. 那个小男孩被沼泽地吞没了。
- A salt marsh, spring, pond, or lake. 盐沼，盐泉，盐塘或盐湖
- A good deal of the marsh was taken in from the sea. 很大一部分沼地是由填海而成。
- The amphibious cases of geophone string adopts PBT material. 水陆两用系外壳选用PBT材料，吸水率低，耐高低温，耐腐蚀；
- Your future husband, Miss Marsh? 您的未婚夫，马什小姐?
- The country is made up of meadow and marsh. 那地区全是草地和沼泽。
- It must be Kare Marsh, the actress. 那一定是女演员卡伦?马什。
- Consider the reflecting point halfway between geophone positions 10 and 11. 反射点的位置在第10和第11道检波点之间。
