a short concentration span.
短期的
中时间段。
；
中，聚；浓度，含量中；聚中中于…中度
尘浓度；尘末浓度中营中度；浓度比率中系数；浓缩系数中系数a short concentration span.
短期的中时间段。
concentrations of enemy troops
敌军的结
his concentration was broken by a sound.
响声打断了他的专心致志。
the concentration of power in the hands of nobles.
贵族手里中的权力。
Conditions in the office made concentration impossible.
办公室的状况根本不可能使人专心
With great concentration she went through the movements.
她聚精会神
这些动作。
nonenzymatic browning of greengage juice was restrained more remarkably by vacuum concentration than by normal pressure concentration;
减压浓缩较常压浓缩明显抑制了非酶褐变的发生;
concentration on the needs of the young can mean that the elderly are forgotten.
对年轻人需求的注
可能意味着对老年人的忽
。
a lapse of concentration in the second set cost her the match.
第二局中她一失神失败了。
direct read-out of concentration in ug or mg/l.
以微克/升或毫克/升表示的直接示值浓度读数。
total concentration; a total effort; a total fool.
全中；孤注一掷的努力；彻头彻尾的傻瓜
What is the concentration of salt in sea water?
海水中盐的含量是多少？
Large concentrations of capital were in the hands of merchants.
大量资本中在商人手里。
The result shows that catalyst concentration, reaction time, urushiol concentration and temperatures affect the polymer yield in oxypolymerization of urushiol system.
讨论了该配合物作为催化剂，催化漆酚氧化聚合反应时，催化剂浓度、时间、底物浓度以及温度对漆酚氧化聚合反应的影响。
the concentration necessary to her job blotted out all the feelings.
她的工作需要精神中，这使她没有任何感觉。
the island has the greatest concentration of seabirds in the north-west.
此岛中了西北部最多的海鸟。
too much concentration on set texts can turn pupils against reading.
太注指定的书本会使小学生讨厌阅读。
The vapor phase concentration of durene could be adjusted by the self-made adjustor.
自制的高熔点物料气相浓度调控仪能很好调控气相中均四甲苯的浓度，具有推广应用价值。
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