high concentration

基本解释

A high concentration of ash ingested by a jet engine can become molten and cause engine failure, which is why planes are not allowed to fly through the cloud.
高浓度的火山灰一旦被吸入喷气发动机就会融化，并且造成引擎故障，因此喷气式飞机是不允许在火山灰云层中穿行的。
In Japan, because people will be less, although there are a large number of rural surplus labor transfer, but not high concentration of land, remained small-scale production.
而在日本，由于人多地少，虽然有农村剩余劳动力的大量转移，但土地的集中程度并不高，仍然保持着小农生产方式。
If this high concentration of blood sugar continues for a long period, it will affect the vascular system and cause serious diseases including arteriosclerosis and retinal hemorrhages.
如果这种高血糖浓度状况持续一段长时期，将影响到血管系统并导致包括动脉硬化和视网膜出血在内的严重疾病。

Now,he thinks short is better. "I've gotten researchers telling me that you don't realize is how long someone can have a high level of concentration.
They move from regions of high concentration to regions of low concentration by this natural flow down a concentration gradient.
从高浓度区域,向低浓度区域流动,顺浓度梯度流动
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Some of those have a relatively high concentration of gold, silver and platinum.
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Urban centers in the region feature a high concentration of top-rated universities and highly-skilled, professional jobs, which pushes up earnings.
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