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- There are three kinds of geophone commonly used: land geophone, marsh geophone and hydrophone. 常用的檢波器有陸地檢波器、沼澤檢波器和水中檢波器三種。
- Land geophone and marsh geophone had very similar structure, they both introduced magnetic-electricity sensor, but hydrophone adopted piezoelectricity sensor. 前兩種結構相似,均采用磁電傳感器,而水中檢波器則采用壓電式傳感器。
- It's dangerous to be alone in the marsh. 一個(gè)人在沼澤地里是很危險的。
- They made their way slowly out of the marsh. 他們慢慢地走出了沼澤地。
- Low, flat, swampy land; a bog or marsh. 沼澤低平的沼澤地; 泥塘或濕地
- The amphibious geophone is suited for operating in land, wetland, lake and marsh etc. 適用于陸地，濕地，湖泊，沼澤等地域。
- He picked off a wild duck rising from the marsh. 他射中了一只從沼澤地里飛起的野鴨。
- There are a lot of frogs in the marsh. 沼澤里有許多青蛙。
- I worked my way slowly out of the marsh. 我緩慢而費力地走出了沼澤地。
- The little boy was sucked into the marsh . 那個(gè)小男孩被沼澤地吞沒(méi)了。
- There was the solitary flat marsh on the shore. 岸上是一片荒涼蕭索的沼地。
- Two Frogs lived together in a marsh. 兩只青蛙一同住在一個(gè)沼澤里。
- The little boy was sucked into the marsh. 那個(gè)小男孩被沼澤地吞沒(méi)了。
- A salt marsh, spring, pond, or lake. 鹽沼，鹽泉，鹽塘或鹽湖
- 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. 水陸兩用系外殼選用PBT材料，吸水率低，耐高低溫，耐腐蝕；
- Your future husband, Miss Marsh? 您的未婚夫，馬什小姐?
- The country is made up of meadow and marsh. 那地區全是草地和沼澤。
- It must be Kare Marsh, the actress. 那一定是女演員卡倫?馬什。
- Consider the reflecting point halfway between geophone positions 10 and 11. 反射點(diǎn)的位置在第10和第11道檢波點(diǎn)之間。
