This book requires a great deal of concentration.
这本书需要全神贯注才能读懂。
Tiredness affects your powers of concentration.
疲劳影响注意力的集中。
a need for greater concentration on environmental issues
更加关注环境问题的必要性
a concentration of industry in the north of the country
该国北部的工业集中地
glucose concentrations in the blood
血液中的葡萄糖含量
1.【化】提浓,蒸浓,浓缩;浓度;稠密度;【矿】汰选,选矿,富化
2.集中
3.集中注意,专心
1.the process of giving all your attention to something
2.a large number of people or things in one area or a large amount of a particular thing
3.the amount of a substance that is present in something
4.a major at a college or university
1.the process of giving all your attention to something
2.a large number of people or things in one area or a large amount of a particular thing
3.the amount of a substance that is present in something
4.a major at a college or university
1.It's as if your ascending levels of concentration have brought you to the top of a flag pole.
这就好比上升的定力层次把你带到了一根旗杆的顶点。
2.Then, by the relationship between the heat conductivity and the impurity concentration, the concentration distribution can be obtained.
进而可以据热导率和掺杂浓度的关系，得到半导体中掺杂浓度的分布。
3.My concentration levels were never up to much at the best of times, but modern technology has left them almost non-existent.
我的注意力水平从未在情况最佳时发挥到最好状态，但是现代科技已经让它们几乎消失殆尽了。
4.In just a few days in 1941, the Nazis shot more Jews in the east than they had inmates in all their concentration camps.
仅在1941年的几天内，纳粹在东线枪杀的犹太人数量，就比所有集中营的囚犯人数还要多。
5.The solubility and release is compared with that of other equal concentration fertilizers produced at home and abroad.
测试并对比国内外同等浓度肥料的溶解释放。
6.In contrast, the drug with higher molecular weight tends to accumulate and maintain an effective concentration in tumor for a longer period.
分子量较大的药物较易在肿瘤内部积聚，从而能在较长时间内保持一定的有效药物浓度。
7.when you eat microwave food, the body will produce a certain concentration of the harmful changes.
当你吃微波食物，身体会产生有害的变化的一定浓度。
8.Think like a buyer to assess which media connect you with the greatest concentration of people you're trying to reach.
像买家一样思考，以便评估哪一家媒体能够覆盖最集中的目标群体。
9.Focus: Effort, Attention, concentration, motivation, application, single mindedness emphasis, to name but a few of its synonyms.
专注的同义词很多，比如：努力，注意力，专心，自觉动力，勤勉，一心一意，等等不一而足。
10.So if you were to sketch it out as a function of time, eventually you'll get to the concentration A equilibrium.
那么如果你把它作为时间的函数画出来，最终你会达到浓度A平衡。