With OpenGL, you can render high-quality 3d scenes in real time, without the overhead of a ray-tracer.
使用OpenGL，可以实时地呈现高品质的3d场景，而没有光线跟踪器那样大的开销。
2
New tracer ammonium molybdate was used and samples with high or low concentration of molybdenum were analyzed by means of colorimetry and polarography.
采用新示踪剂钼酸铵，并对高、低不同浓度的钼样品进行比色法和示波极谱法分析。
3
Conclusions the activated carbon can be used as a useful lymphatic tracer and drug carrier, for it is characterized by avirulence, high lymphatic tropism, long residence time in the lymph nodes.