[ 复数 barns ]
...反应。 通常以中子反应截面来表示上述各种核反应的几率大小。一个原子核与入射的一个中子发生核反应的几率称为微观截面,以?表示,单位是靶恩(barn),1靶恩= 10-24 cm2。对于中子与原子核的各种反应,相应有散射截面?
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Barn owl 仓鸮 ; 谷仓猫头鹰 ; 仓枭 ; 猫头鹰
Barn Swallow 家燕 ; 燕子
barn door tracker 旋门追踪器
barn doors 遮光板 ; 挡光板 ; 遮光掩门 ; 光栅
Car barn 车库 ; 车房
Barn Thai 泰国谷仓
Barn door 转门.手脚支点在同一直线 ; 挡光板 ; 谷仓大门
barn feeding 舍饲
Pottery Barn 陶瓷大谷仓 ; 陶瓷谷仓 ; 陶瓷大库房 ; 陶瓷库房
N-COUNT A barn is a building on a farm in which animals, animal food, or crops can be kept. 谷仓; 牲口房
N-COUNT any large building, esp an unattractive one 大仓棚
N-COUNT a unit of nuclear cross section equal to 10– 28 square metre 靶; 核反应截面单位 ( symbol: b)
一座谷仓紧靠着农舍。
He strode purposefully toward the barn.
他有意朝谷仓大步走去。
In 1979, Liquor Barn thrived as a discount merchandiser.
1979年,作为折扣酒品专卖店的立可仓生意兴隆。
The coffee boiled on the stove and Olive poured some into a pot and carried it to the barn.
VOA: special.2010.01.09
She was a milkmaid. She had to get up very early every morning and go to the barn to milk the cow.
VOA: special.2010.11.20
Olive Bowen made some hot coffee to bring to her husband Nate who was over in the barn.
VOA: special.2010.01.09
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