concentration technique 浓缩技术 ; 富集法
message switching concentration technique 消息交换集中技术
arc concentration technique 电弧浓缩法
gravity concentration technique 重选工艺
separation and concentration technique 分离富集技术
Researches have indicated that technical innovation has spatial connection and the technique concentration within a geographical area has external effects.
研究表明，技术创新具有空间集聚性，技术在地理范围内的集中有外部性效果。
For instance in one study, the technique was used to take repeated measurements of methane concentration every 10 minutes directly above the height of the 18 cattle in the paddock.
例如，其中一项研究就是应用新技术每10分钟测一次小牧场里的18头牛头顶的甲烷浓度。
Meditation, yoga or practicing a relaxation technique can also help achieve internal concentration that leads to fullness and a mood of well-being?
沉思，瑜伽或者练习一种放松的技巧也能帮助获得内在的专注，这种专注可以使人感觉充实，心情愉悦。
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