By positioning the subject near the light source and allowing some of the subject to underexpose, the photographer can let light touch only the most important part of the subject.
让被摄者靠近光源并有选择地让被摄对象的某些部分欠曝，摄影师能让光线照亮被摄者最重要的部分。
2
Fault source separation and positioning technology is the key technology of fault diagnosis and fault source orientation is the ultimate goal of the fault diagnosis.
故障源分离与定位技术是故障诊断的关键技术，将故障源定位是故障诊断的最终目标。
3
Is a MATLAB program based on multi-prepared statistics, integrated and dynamic shape of positioning the source code.