1.
A point or region in the air.
空中，半空中空中的一点或一部分
2.
The restaurant is half - empty .
餐馆的座位有一半空着。
3.
a balloon was suspended in mid air.
一个气球悬浮在半空中。
4.
120 degree countersunk head semi-tubular rivets
GB/T874-1986120°沉头半空心铆钉
5.
Countersunk head semi-tublar rivets
GB/T1015-1986沉头半空心铆钉
6.
His carving-knife was still poised in the air.
他的餐刀依然悬在半空。
7.
large oval head socket shank rivet
大扁圆头半空心铆钉
8.
crag snatch method [mountain rescue]
半空抢救法〔攀山抢救〕
9.
So far it's all empty statement.
你说了半天都是些空话。
10.
Hanging a Bag in mid-air/holding the wind(feigning madness)
半天空里挂口袋,装风(疯)
11.
semicontinuous vacuum resistance furnace
半连续式真空电阻炉
12.
rate of generation
半导体中电子和空穴的
13.
reentrant cylindrical cavity
圆柱形凹腔, 半同轴空腔
14.
Half heaven was pure and stainless.
半个天空，纯洁无瑕。
15.
Electrons and Holes in Semiconductors
《半导体中的电子和空穴》
16.
half plane in the pattern space
模式空间中的半平面
17.
En space (En quad): A fixed amount of white space equals to an en . For example, a 10-point type, 10-point en is 5 points wide.
半方空位（半方空铅）:相等于半方的固定空位。例如10点字，“半方空位”的阔度是5点。
18.
The air is half saturated.
空气处于半饱和状态。