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- An indented or concave surface or area. 凹陷，洼地凹的表面或地區
- As well as the complicatedly shaped basins、thoughs and concave areas on the granite tor are generally good places for the enrichment of skarn-sulfide deposits. 凹陷帶構造控礦正是由于其處在一個(gè)有利的位置,有一系列的配套及耦合因素的存在,最終在燕山晚期含礦巖漿氣液作用下,形成富厚礦體。
- He steered into the parking area. 他把車(chē)開(kāi)進(jìn)了停車(chē)區。
- An indentedor concave surface or area. 凹陷,洼地凹的表面或地區。
- His figure looks very funny in the concave mirror. 他的樣子在凹鏡里顯得非?？尚?。
- The slum area was sordid and filthy beyond belief. 該貧民區之污穢骯臟簡(jiǎn)直令人難以置信。
- The flood cut a wide swath in this area. 洪水席卷了這一地區，滿(mǎn)目一片瘡痍。
- The luminous intensity on unit area. 單位面積上的發(fā)光強度。
- White lines divide the playing area into sections. 這些白線(xiàn)把賽區分成各個(gè)部分。
- The first chapter delimits her area of research. 第一章闡明了她的研究領(lǐng)域。
- Sorry. I must have got the wrong area code. 對不起，我一定是拔錯地區號碼了。
- This is the area that attracts the most attention. 這是最受關(guān)注的地區。
- The folk song has a good run in this area. 這支民歌在這個(gè)地區非常流行。
- Wet weather is a feature of life in this area. 天氣潮濕是這個(gè)地區生活的一個(gè)特色。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象雙凸透鏡可以放大那樣，雙凹透鏡也可以縮小。
- The area is subject to devastating seasonal winds. 這個(gè)地區常遭破壞性季風(fēng)的襲擊。
- We can compute the circular area with radius. 我們能用半徑計算出圓的面積。
- How can people make a living in this arid area? 這片不毛之地上的人們怎么謀生呢？
- This area has an acute shortage of water. 這個(gè)地方缺水嚴重。
- Ice-floes are a threat to shipping in the area. 浮冰對這一帶的航運是一種威脅。
