1.
At the half-way mark, Bob shot ahead.
比赛到半程，鲍勃迅速跃前领先。
2.
IAAF World Half Marathon
国际业余联世界半程马拉检松赛
3.
To reduce(a perfect or minor interval)by a semitone.
把（音程）减半音把（纯音程或小音程）减小半度
4.
The pollution in the western half of Chao Lake is obviously more serious than that in the eastern half.
巢湖西半湖污染程度明显重于东半湖。
5.
Numerical Simulation Research of Construction of the Semi-filled and Semi-excavated Embankment;
半填半挖路堤施工过程数值模拟研究
6.
Not very far. It's only half an hour's car ride.
不太远，半个小时的车程。
7.
semi-Markovian decision process
半马尔可夫决策过程
8.
Course Design of Semiconductor Devices
半导体器件课程设计
9.
SAPCHE (Semi-Automatic Program Checkout Equipment)
半自动程序检验装置
10.
half-life of recurrent selection process
轮回选择过程的半衰期
11.
Aubry-Mather Sets for Semilinear Duffing Equations
半线性Duffing方程的Aubry-Mather集
12.
(of musical intervals) reduction by a semitone of any perfect or minor musical interval.
（指音程）将完整音程或者小调音程减去半音程。
13.
Blowing up Problems for a Class of Semilinear Parablic Equation and System
半线性抛物方程和方程组的爆破问题
14.
Solutions by Method of Iterative to Semilinear Evolution Equations with Positive Semigroup;
具正半群的半线性发展方程的迭代求解
15.
Larger by a semitone than the corresponding major or perfect interval.
增半音的比相应的大音程或完全音程增多一个“半音”的
16.
Less in distance by a half step than the corresponding major interval.
半音的，短音程的比相邻两个大调音阶之间的音程少半阶的
17.
a defect in brain development resulting in small or missing brain hemispheres.
在大脑的发育过程中一半不长或消失。
18.
the process of forming semisolid lumps in a liquid.
液体中形成半固体块的过程。