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- The lack of an impact crater also suggested that the object could not have been a sturdy iron meteorite but a more fragile object, such as a relatively rare, stony asteroid or a small comet. 找不到撞击坑洞,也意味该天体可能不是结实的铁质陨石,而是比较易碎的天体,例如较罕见的岩石小行星或小型彗星。
- siderolite; stony iron meteorite 石铁陨星
- THE DISCOVERY OF THE IRON METEORITE SHOWER IN NANTAN COUNTY, KWANGSI, CHINA 广西南丹铁陨石雨的发现
- Keywords iron meteorite,stony-iron,chondrite,parent body,metallography,microstructure,cooling rate,thermal history; 铁陨石;石-铁陨石;球粒陨石;母体;金相学;微结构;冷却速率;热历史;
- Napoleon conquered by the force of an iron will. 拿破仑攻无不克靠的是坚强的意志。
- It will take weeks to get all the wrinkle iron out. 解决这些难题得要几周时间。
- Have you any scrap iron knocking about? 你那儿有散在各处的废铁吗?
- He cut the iron pole to the size he wanted. 他把铁杆锯成他需要的尺寸。
- It is some kind of plastic made to imitate iron. 这是一种塑胶,但外观仿制得像铁。
- That iron is a good conductor is known to us all. 铁是良导体这是我们大家都知道的。
- She seared her hand on the hot iron. 她的手被热熨斗烫伤。
- We need an electrician to mend the iron. 我们要请电工修理熨斗。
- These appliances are made of stainless iron. 这些器具是用不锈钢制成的。
- Flakes of rust are falling from the old iron pan. 一片片的锈从旧铁锅上落下。
- In carbonate rocks Strata of Upper Devonian period,an iron meteorite was discovered in 1971. Its weight is about 50kg, and the density is 5.2g/cm~3 (meas.) 一九七一年在广西邕宁县良庆地区上泥盆统桂宁灰岩层中发现一块重约50kg陨铁。 陨铁的相对密度为5.;2(实测)。
- The worker repaired the barrel with a hoop iron. 这个工人用一个铁箍修桶。
- A stony meteorite that contains no chondrules. 无球粒陨石
- They tried to use an iron bar to pry open the lock. 他们试图用一根铁棒撬开锁。
- Iron and steel are of great use. 钢和铁有很大的用处。
- Iron is melted by the agency of heat. 铁由于热能的作用被融化。